https://collections.britishart.yale.edu/catalog/tms:21896|Fridericus D. G., Marchio Badensis et Hachberg|print made by Theodore Casper von Furstenberghttps://collections.britishart.yale.edu/catalog/tms:21897|Fridericus D. G., Marchio Badensis et Hachberg|print made by Theodore Casper von Furstenberghttps://collections.britishart.yale.edu/catalog/tms:21899|Head of Christ, Crowned with Thorns|print made by Theodore Casper von Furstenberghttps://collections.britishart.yale.edu/catalog/tms:21908|Head of St. John Baptist on a Charger|print made by Theodore Casper von Furstenberghttps://collections.britishart.yale.edu/catalog/tms:21898|Portrait of Archduke Leopold Wilhelm of Austria|print made by Theodore Casper von Furstenberg