<< YCBA Home Yale Center for British Art Yale Center for British Art << YCBA Home

YCBA Collections Search

Search Constraints

Start Over
You searched for:

Credit Line Yale Center for British Art, Paul Mellon Collection

Remove constraint Credit Line: Yale Center for British Art, Paul Mellon Collection

Creator Humphrey, Hannah, ca. 1745–1818

Remove constraint Creator: Humphrey, Hannah, ca. 1745–1818

Search Results

1. The Rake's-Progress at the University - No. 1 - "Ah me! what perils doth that Youth encounter, who dares within the Fellow's Bog to enter."

The Rake's-Progress at the University - No. 1 - "Ah me! what perils doth that Youth encounter, who dares within the Fellow's Bog to enter."
Creator:
James Gillray, 1756–1815
Date:
1806
Materials & Techniques:
Etching with aquatint, hand-colored on moderately thick, slightly textured, beige wove paper
Dimensions:
Sheet: 9 9/16 × 13 7/8 inches (24.3 × 35.3 cm)
Collection:
Prints and Drawings
Credit Line:
Yale Center for British Art, Paul Mellon Collection

2. The Rake's-Progress at the University - No. 2 - "Ah me! that thou the Freshman's-Guide should'st read, yet venture on the hallowed grass to tread"

The Rake's-Progress at the University - No. 2 - "Ah me! that thou the Freshman's-Guide should'st read, yet venture on the hallowed grass to tread"
Creator:
James Gillray, 1756–1815
Date:
1806
Materials & Techniques:
Etching with aquatint, hand-colored on moderately thick, slightly textured, beige wove paper
Dimensions:
Sheet: 9 3/4 × 13 7/8 inches (24.7 × 35.3 cm)
Collection:
Prints and Drawings
Credit Line:
Yale Center for British Art, Paul Mellon Collection

3. The Rake's-Progress at the University - No. 3 - "The Master's Wig the guilty wight appals, who brings his Dog within the College walls."

The Rake's-Progress at the University - No. 3 - "The Master's Wig the guilty wight appals, who brings his Dog within the College walls."
Creator:
James Gillray, 1756–1815
Date:
1806
Materials & Techniques:
Etching with aquatint, hand-colored on moderately thick, slightly textured, beige wove paper
Dimensions:
Sheet: 9 13/16 × 13 7/8 inches (25 × 35.3 cm)
Collection:
Prints and Drawings
Credit Line:
Yale Center for British Art, Paul Mellon Collection

4. The Rake's-Progress at the University - No. 4 - "Expulsion waits that Son of Alma Mater who dares to shew his face in Boot or Gaiter"

The Rake's-Progress at the University - No. 4 - "Expulsion waits that Son of Alma Mater who dares to shew his face in Boot or Gaiter"
Creator:
James Gillray, 1756–1815
Date:
1806
Materials & Techniques:
Etching with aquatint, hand-colored on moderately thick, slightly textured, beige wove paper
Dimensions:
Sheet: 9 3/4 × 13 7/8 inches (24.7 × 35.3 cm)
Collection:
Prints and Drawings
Credit Line:
Yale Center for British Art, Paul Mellon Collection

5. The Rake's-Progress at the University - No. 5 - "Convened for wearing Gaiters - sad offence! Expelled - nor e'en permitted a defence."

The Rake's-Progress at the University - No. 5 - "Convened for wearing Gaiters - sad offence! Expelled - nor e'en permitted a defence."
Creator:
James Gillray, 1756–1815
Date:
1806
Materials & Techniques:
Etching with aquatint, hand-colored on moderately thick, slightly textured, beige wove paper
Dimensions:
Sheet: 9 5/8 × 14 1/16 inches (24.5 × 35.7 cm)
Collection:
Prints and Drawings
Credit Line:
Yale Center for British Art, Paul Mellon Collection

6. Specimens of Waltzing

Specimens of Waltzing
Creator:
Print made by George Cruikshank, 1792–1878
Date:
1817
Materials & Techniques:
Etching and stipple engraving, hand-colored on moderately thick, textured, beige wove paper
Dimensions:
Sheet: 9 3/4 × 13 13/16 inches (24.7 × 35.1 cm)
Collection:
Prints and Drawings
Credit Line:
Yale Center for British Art, Paul Mellon Collection

7. Blowing up the Pic Nic's: or Harlequin Quioxtte Attacking the Puppets

Blowing up the Pic Nic's: or Harlequin Quioxtte Attacking the Puppets
Creator:
James Gillray, 1756–1815
Date:
1802
Materials & Techniques:
Etching with aquatint, hand-colored on moderately thick, slightly textured, beige wove paper
Dimensions:
Sheet: 14 1/16 × 10 1/16 inches (35.7 × 25.5 cm)
Collection:
Prints and Drawings
Credit Line:
Yale Center for British Art, Paul Mellon Collection

8. The Death of the Great Wolf

The Death of the Great Wolf
Creator:
James Gillray, 1756–1815
Date:
1795
Materials & Techniques:
Etching and stipple engraving, hand-colored on moderately thick, slightly textured, beige wove paper
Dimensions:
Sheet: 13 3/8 × 17 7/16 inches (34 × 44.3 cm)
Collection:
Prints and Drawings
Credit Line:
Yale Center for British Art, Paul Mellon Collection

9. Presages of the Millenium

Presages of the Millenium
Creator:
James Gillray, 1756–1815
Date:
1795
Materials & Techniques:
Etching and aquatint, hand-colored on moderately thick, slightly textured, cream wove paper
Dimensions:
Sheet: 13 × 14 13/16 inches (33 × 37.6 cm)
Collection:
Prints and Drawings
Credit Line:
Yale Center for British Art, Paul Mellon Collection

10. Le Coup de Maitre

Le Coup de Maitre
Creator:
James Gillray, 1756–1815
Date:
1797
Materials & Techniques:
Etching, hand-colored on moderately thick, slightly textured, cream wove paper
Dimensions:
Sheet: 10 3/8 × 14 3/16 inches (26.4 × 36 cm)
Collection:
Prints and Drawings
Credit Line:
Yale Center for British Art, Paul Mellon Collection

11. Flannel-Armour; Female-Patriotism, -or- Modern Heroes Accoutred for the Wars

Flannel-Armour; Female-Patriotism, -or- Modern Heroes Accoutred for the Wars
Creator:
Print made by James Gillray, 1756–1815
Date:
1793
Materials & Techniques:
Etching, hand-colored on moderately thick, slightly textured, cream wove paper
Dimensions:
Sheet: 12 1/2 × 14 3/8 inches (31.7 × 36.5 cm)
Collection:
Prints and Drawings
Credit Line:
Yale Center for British Art, Paul Mellon Collection

12. A Kick at the Broad-Bottoms! - i.e.- Emancipation of "All the Talents"

A Kick at the Broad-Bottoms! - i.e.- Emancipation of "All the Talents"
Creator:
James Gillray, 1756–1815
Date:
1807
Materials & Techniques:
Etching on thin, moderately textured, cream wove paper
Dimensions:
Sheet: 11 1/2 × 15 inches (29.2 × 38.1 cm)
Collection:
Prints and Drawings
Credit Line:
Yale Center for British Art, Paul Mellon Collection

13. The Valley of the Shadow of Death

The Valley of the Shadow of Death
Creator:
James Gillray, 1756–1815
Date:
1808
Materials & Techniques:
Etching and aquatint, hand-colored on moderately thick, slightly textured, cream wove paper
Dimensions:
Sheet: 10 3/8 × 15 7/16 inches (26.4 × 39.2 cm)
Collection:
Prints and Drawings
Credit Line:
Yale Center for British Art, Paul Mellon Collection

14. Weird Sisters; Ministers of Darkness; Minions of the Moon (Thurlow, Pitt, and Dundas)

Weird Sisters; Ministers of Darkness; Minions of the Moon (Thurlow, Pitt, and Dundas)
Creator:
James Gillray, 1756–1815
Date:
1791
Materials & Techniques:
Etching and aquatint, hand-colored on moderately thick, slightly textured, cream wove paper
Dimensions:
Sheet: 9 13/16 × 13 3/4 inches (24.9 × 35 cm)
Collection:
Prints and Drawings
Credit Line:
Yale Center for British Art, Paul Mellon Collection

15. The Prince of Wales

The Prince of Wales
Creator:
Print made by James Gillray, 1756–1815
Date:
1802
Materials & Techniques:
Etching with hand coloring in watercolor
Dimensions:
Sheet: 9 x 7in. (22.9 x 17.8cm)
Collection:
Prints and Drawings
Credit Line:
Yale Center for British Art, Paul Mellon Collection

16. Evacuation Before Resignation

Evacuation Before Resignation
Creator:
Print made by James Gillray, 1756–1815
Date:
1782
Materials & Techniques:
Etching, hand-colored
Dimensions:
Sheet: 6 3/4 x 9 1/2in. (17.1 x 24.1cm)
Collection:
Prints and Drawings
Credit Line:
Yale Center for British Art, Paul Mellon Collection

17. Ornaments of Chelsea Hospital; or - A Peep Into the Last Century ---

Ornaments of Chelsea Hospital; or - A Peep Into the Last Century ---
Creator:
Print made by James Gillray, 1756–1815
Date:
1789
Materials & Techniques:
Etching, hand-colored
Dimensions:
Sheet: 10 x 10 3/4in. (25.4 x 27.3cm)
Collection:
Prints and Drawings
Credit Line:
Yale Center for British Art, Paul Mellon Collection

18. The Rage

The Rage
Creator:
Print made by William Hinton, active 1779–1786
Date:
ca. 1794
Materials & Techniques:
Etching, hand-colored
Dimensions:
Sheet: 8 3/4 x 11 1/16in. (22.2 x 28.1cm)
Collection:
Prints and Drawings
Credit Line:
Yale Center for British Art, Paul Mellon Collection

19. The Coming-On, of the Monsoons; or - The Retreat from Seringapatam

The Coming-On, of the Monsoons; or - The Retreat from Seringapatam
Creator:
Print made by James Gillray, 1756–1815
Date:
1791
Materials & Techniques:
Etching, hand-colored
Dimensions:
Sheet: 8 1/4 x 10 3/4in. (21 x 27.3cm)
Collection:
Prints and Drawings
Credit Line:
Yale Center for British Art, Paul Mellon Collection

20. Mason, The Duke's Confectioner Disposing of the Trinkets

Mason, The Duke's Confectioner Disposing of the Trinkets
Creator:
Print made by James Gillray, 1756–1815
Date:
1788
Materials & Techniques:
Etching and aquatint, hand-colored
Dimensions:
Sheet: 9 3/8 x 13in. (23.8 x 33cm)
Collection:
Prints and Drawings
Credit Line:
Yale Center for British Art, Paul Mellon Collection

21. John Bull, in a Quandary, Which Way Shall I Turn Me, How Shall I Decide?

John Bull, in a Quandary, Which Way Shall I Turn Me, How Shall I Decide?
Creator:
Print made by James Gillray, 1756–1815
Date:
1789
Materials & Techniques:
Etching, hand-colored
Dimensions:
Sheet: 9 1/8 x 13 1/8in. (23.2 x 33.3cm)
Collection:
Prints and Drawings
Credit Line:
Yale Center for British Art, Paul Mellon Collection

22. The Butchers of Freedom

The Butchers of Freedom
Creator:
Print made by James Gillray, 1756–1815
Date:
1788
Materials & Techniques:
Etching and aquatint, hand-colored
Dimensions:
Sheet: 9 1/8 x 13 3/8in. (23.2 x 34cm)
Collection:
Prints and Drawings
Credit Line:
Yale Center for British Art, Paul Mellon Collection

23. Political Candour - i.e. - Coalition "Resolutions" of June 14th 1805 - Pro Bono Publico

No cover image available
Creator:
James Gillray, 1756–1815
Date:
1805
Materials & Techniques:
Etching with hand-coloring in watercolor on moderately thick, slightly textured, beige laid paper
Dimensions:
Sheet: 14 3/4 × 11 3/4 inches (37.5 × 29.8 cm)
Collection:
Prints and Drawings
Credit Line:
Yale Center for British Art, Paul Mellon Collection

24. Political Mathematician's Shaking the Broad Bottom'd Hemispheres

No cover image available
Creator:
James Gillray, 1756–1815
Date:
ca. 1811
Materials & Techniques:
Etching printed in brown ink on medium, slightly textured, cream wove paper
Dimensions:
Sheet: 14 1/4 × 20 inches (36.2 × 50.8 cm)
Collection:
Prints and Drawings
Credit Line:
Yale Center for British Art, Paul Mellon Collection

25. Tiddy-Doll the Great French-Ginger-Bread-Baker, Drawing Out a Batch of Kings-His Man, Hopping Talley, Mixing the Dough

No cover image available
Creator:
James Gillray, 1756–1815
Date:
1806
Materials & Techniques:
Etching in black ink on medium, slightly textured, cream wove paper
Dimensions:
Sheet: 10 1/2 × 16 inches (26.7 × 40.6 cm)
Collection:
Prints and Drawings
Credit Line:
Yale Center for British Art, Paul Mellon Collection

26. The Nursery, with, Britannia Reposing in Peace

No cover image available
Creator:
James Gillray, 1756–1815
Date:
1802
Materials & Techniques:
Etching with hand-coloring in watercolor on medium, slightly textured, cream wove paper
Dimensions:
Sheet: 10 1/8 × 14 inches (25.7 × 35.6 cm)
Collection:
Prints and Drawings
Credit Line:
Yale Center for British Art, Paul Mellon Collection

27. Patriotic-Petitions on the Convention/ the Cockney Petition; The Westminster Petition, The Chelmsford Petition, the Middlesex Petition

No cover image available
Creator:
James Gillray, 1756–1815
Date:
1808
Materials & Techniques:
Etching with hand coloring in watercolor on medium, slightly textured, cream wove paper
Dimensions:
Sheet: 12 × 16 1/2 inches (30.5 × 41.9 cm)
Collection:
Prints and Drawings
Credit Line:
Yale Center for British Art, Paul Mellon Collection

28. The New Dynasty; or the Little Corsican Gardener Planting a Royal Pippin-Tree. -All the Talents (Busy in) are Clearing the Ground of the Old Timber.

No cover image available
Creator:
James Gillray, 1756–1815
Date:
1807
Materials & Techniques:
Etching on medium, slightly textured, cream wove paper
Dimensions:
Sheet: 11 × 14 7/8 inches (27.9 × 37.8 cm)
Collection:
Prints and Drawings
Credit Line:
Yale Center for British Art, Paul Mellon Collection

29. Introduction of Citizen Volpone - and His Suite, at Paris

No cover image available
Creator:
James Gillray, 1756–1815
Date:
1802
Materials & Techniques:
Etching with hand coloring in watercolor on medium, slightly textured, cream wove paper
Dimensions:
Sheet: 9 7/8 × 13 3/4 inches (25.1 × 34.9 cm)
Collection:
Prints and Drawings
Credit Line:
Yale Center for British Art, Paul Mellon Collection

30. German - Nonchalence: - or - The Vexation of Little Boney.

No cover image available
Creator:
James Gillray, 1756–1815
Date:
1803
Materials & Techniques:
Etching with hand coloring in watercolor on medium, slightly textured, cream wove paper
Dimensions:
Sheet: 10 × 13 7/8 inches (25.4 × 35.2 cm)
Collection:
Prints and Drawings
Credit Line:
Yale Center for British Art, Paul Mellon Collection

31. The Apples and The Horse-Turds: - or - Bonaparte, among the Golden Pippins

No cover image available
Creator:
James Gillray, 1756–1815
Date:
1800
Materials & Techniques:
Etching with hand coloring in watercolor on medium, slightly textured, cream wove paper
Dimensions:
Sheet: 10 1/4 × 13 7/8 inches (26 × 35.2 cm)
Collection:
Prints and Drawings
Credit Line:
Yale Center for British Art, Paul Mellon Collection

32. The Man of Feeling, in Search of Indispensibles: - A Scene at the Little French Milleners

No cover image available
Creator:
James Gillray, 1756–1815
Date:
1800
Materials & Techniques:
Etching with hand coloring in watercolor on medium, slightly textured, cream wove paper
Dimensions:
Sheet: 10 1/4 × 14 1/4 inches (26 × 36.2 cm)
Collection:
Prints and Drawings
Credit Line:
Yale Center for British Art, Paul Mellon Collection

33. Confederated- Coalitions; or, The Giant's Storming Heaven, With the Gods Alarmed for their Everlasting Abodes.

No cover image available
Creator:
James Gillray, 1756–1815
Date:
1804
Materials & Techniques:
Etching with hand coloring in watercolor on medium, slightly textured, beige wove paper
Dimensions:
Sheet: 18 1/4 × 14 1/4 inches (46.4 × 36.2 cm)
Collection:
Prints and Drawings
Credit Line:
Yale Center for British Art, Paul Mellon Collection

34. Half Natural

No cover image available
Creator:
James Gillray, 1756–1815
Date:
1799
Materials & Techniques:
Etching with hand coloring in watercolor on medium, slightly textured, white wove paper
Dimensions:
Sheet: 9 7/8 × 7 3/8 inches (25.1 × 18.7 cm)
Collection:
Prints and Drawings
Credit Line:
Yale Center for British Art, Paul Mellon Collection

35. Pen-etration

No cover image available
Creator:
James Gillray, 1756–1815
Date:
1799
Materials & Techniques:
Etching with hand coloring in watercolor on medium, smooth, cream wove paper
Dimensions:
Sheet: 10 3/8 × 8 inches (26.4 × 20.3 cm)
Collection:
Prints and Drawings
Credit Line:
Yale Center for British Art, Paul Mellon Collection

36. Citizens Visiting the Bastille, - Vide. Democratic Charities. -

No cover image available
Creator:
James Gillray, 1756–1815
Date:
1799
Materials & Techniques:
Etching with hand coloring in watercolor on medium, slightly textured, cream wove paper
Dimensions:
Sheet: 13 7/8 × 10 1/4 inches (35.2 × 26 cm)
Collection:
Prints and Drawings
Credit Line:
Yale Center for British Art, Paul Mellon Collection

37. Pizarro, Contemplating (over) The Product of His Peruvian Mine.

No cover image available
Creator:
James Gillray, 1756–1815
Date:
1799
Materials & Techniques:
Etching with hand coloring in watercolor on medium, slightly textured, cream wove paper
Dimensions:
Sheet: 14 1/4 × 10 3/8 inches (36.2 × 26.4 cm)
Collection:
Prints and Drawings
Credit Line:
Yale Center for British Art, Paul Mellon Collection

38. Pacific Overtures - or - A Flight from St. Clouds - "Over the Water to Charley" - A New Dramatic Peace now Rehearsing

No cover image available
Creator:
James Gillray, 1756–1815
Date:
1806
Materials & Techniques:
Etching with hand-coloring in watercolor on medium, slightly textured, cream wove paper
Dimensions:
Sheet: 12 3/4 × 17 3/4 inches (32.4 × 45.1 cm)
Collection:
Prints and Drawings
Credit Line:
Yale Center for British Art, Paul Mellon Collection

39. Le Diable - Boiteux - or - The Devil Upon Two Sticks, Conveying John Bull, to the Land of Promise

No cover image available
Creator:
James Gillray, 1756–1815
Date:
1806
Materials & Techniques:
Etching on medium, slightly textured, white wove paper
Dimensions:
Sheet: 14 3/8 × 10 3/8 inches (36.5 × 26.4 cm)
Collection:
Prints and Drawings
Credit Line:
Yale Center for British Art, Paul Mellon Collection

40. The Pigs Possessed: - or - The Broad Bottom'd Litter Running Headlong into Ye Sea of Perdition. A Supplement to More Pigs thanTeats

No cover image available
Creator:
James Gillray, 1756–1815
Date:
ca. 1808
Materials & Techniques:
Etching in black ink on medium, slightly textured, cream wove paper
Dimensions:
Sheet: 20 1/2 × 14 3/8 inches (52.1 × 36.5 cm)
Collection:
Prints and Drawings
Credit Line:
Yale Center for British Art, Paul Mellon Collection

41. Patriot's Deciding a Point of Honor! - or - An Exact Representation of the Celebrated Rencontre which Took Place at Combe Wood at May 2nd 1807 - Between Little-Paul the Taylor and Sir Francis Goose

No cover image available
Creator:
James Gillray, 1756–1815
Date:
1807
Materials & Techniques:
Etching with hand-coloring in watercolor on medium, smooth, cream wove paper
Dimensions:
Sheet: 10 3/8 × 14 7/8 inches (26.4 × 37.8 cm)
Collection:
Prints and Drawings
Credit Line:
Yale Center for British Art, Paul Mellon Collection

42. The New Speaker (i.e. The Law Chick) Between the Hawks and Buzzards - Poor Little Michee!- Just Mounting, and then Funk'd and Frighten'd Out of All His Hopes (from: Caricature, vol. 1)

No cover image available
Creator:
James Gillray, 1756–1815
Date:
1800
Materials & Techniques:
Etching with hand-coloring in watercolor on medium, slightly textured, cream wove paper
Dimensions:
Sheet: 14 × 9 5/8 inches (35.6 × 24.4 cm)
Collection:
Prints and Drawings
Credit Line:
Yale Center for British Art, Paul Mellon Collection

43. The Apotheosis of the Corsican Phoenix

No cover image available
Creator:
James Gillray, 1756–1815
Date:
1808
Materials & Techniques:
Etching and aquatint in black ink on medium, slightly textured, cream wove paper
Dimensions:
Sheet: 14 5/8 × 13 1/8 inches (37.1 × 33.3 cm)
Collection:
Prints and Drawings
Credit Line:
Yale Center for British Art, Paul Mellon Collection

44. The Spanish-Bull-Fight - or - The Corsical-Matador in Danger

No cover image available
Creator:
James Gillray, 1756–1815
Date:
1808
Materials & Techniques:
Etching with hand-coloring in watercolor on medium, slightly textured, white wove paper
Dimensions:
Sheet: 10 3/8 × 15 inches (26.4 × 38.1 cm)
Collection:
Prints and Drawings
Credit Line:
Yale Center for British Art, Paul Mellon Collection

45. The high-Flying Candidate (i.e. Little Paul-Goose) Mounting from a Blanket

No cover image available
Creator:
James Gillray, 1756–1815
Date:
1806
Materials & Techniques:
Etching on medium, slightly textured, white wove paper
Dimensions:
Sheet: 10 1/4 × 14 1/2 inches (26 × 36.8 cm)
Collection:
Prints and Drawings
Credit Line:
Yale Center for British Art, Paul Mellon Collection

46. The Bear and His Leader. --"What tho' I am Obliged to Dance A Bear, A Man may be a Gentleman for That, --My Bear Ever Dances to the Genteelest of Tunes"

No cover image available
Creator:
James Gillray, 1756–1815
Date:
1806
Materials & Techniques:
Etching on medium, slightly textured, white wove paper
Dimensions:
Sheet: 11 × 15 inches (27.9 × 38.1 cm)
Collection:
Prints and Drawings
Credit Line:
Yale Center for British Art, Paul Mellon Collection

47. Westminster-Conscripts under the Training Act

No cover image available
Creator:
James Gillray, 1756–1815
Date:
1806
Materials & Techniques:
Etching with hand-coloring in watercolor on medium, slightly textured, white wove paper
Dimensions:
Sheet: 10 1/2 × 16 1/8 inches (26.7 × 41 cm)
Collection:
Prints and Drawings
Credit Line:
Yale Center for British Art, Paul Mellon Collection

48. Preliminaries of Peace! - or - John Bull, and His Little Friends "Marching to Paris"

No cover image available
Creator:
James Gillray, 1756–1815
Date:
1801
Materials & Techniques:
Etching with hand-coloring in watercolor on medium, smooth, cream wove paper
Dimensions:
Sheet: 9 7/8 × 13 7/8 inches (25.1 × 35.2 cm)
Collection:
Prints and Drawings
Credit Line:
Yale Center for British Art, Paul Mellon Collection

49. Preparing for The Grand Attack - or - A Private Rehearsal of the Ci-Devant Ministry in Danger

No cover image available
Creator:
James Gillray, 1756–1815
Date:
1801
Materials & Techniques:
Etching with hand-coloring in watercolor on medium, slightly textured, cream wove paper
Dimensions:
Sheet: 10 1/8 × 13 7/8 inches (25.7 × 35.2 cm)
Collection:
Prints and Drawings
Credit Line:
Yale Center for British Art, Paul Mellon Collection

50. Comfort's of a Bed of Roses; Vide Charley's Elucidation of Lord C(a)stl(e) R(ea)gh's Speech! --A Nightly Scene near Cleveland Row

No cover image available
Creator:
James Gillray, 1756–1815
Date:
1806
Materials & Techniques:
Etching on medium, slightly textured, white wove paper
Dimensions:
Sheet: 11 1/4 × 15 inches (28.6 × 38.1 cm)
Collection:
Prints and Drawings
Credit Line:
Yale Center for British Art, Paul Mellon Collection