15. Friedrich III, Duke of Saxe-Gotha, by Jean-Antoine Houdon. Plaster, Diameter 48.8 cm. (Schloßmuseum, Gotha).
Attributed works:
16. Ernst II, Duke of Saxe-Gotha, by Jean-Antoine Houdon. Dated 1773. Plaster, Diameter 48.8 cm. (Schloßmuseum, Gotha).
Attributed works:
17. Drawing of Houdon's Final Design for the Mausoleum of Duke Friedrich III and Duchess Louise Dorothea of Saxe-Gotha, by F. W. Doell. c.1772-73. Pen and Grey Wash, 47.5 by 32.7 cm. (Kupferstichkabinett, Gotha).
Attributed works:
18. Elevation and Section of the Chapel Related to Houdon's Final Design for the Gotha Mausoleum. c.1773. Pen with Brown and Pink Wash, 22 by 31.5 cm. (Thüringisches Staatsarchiv, Gotha).
Attributed works:
19. Ground Plan of the Chapel Related to Houdon's Third Design of the Mausoleum. c.1773. Pencil and Pen with Grey and Red Wash, 31.5 by 23.7 cm. (Thüringisches Staatsarchiv, Gotha).
Attributed works:
21. Drawing of an Alternative Design for the Gotha Mausoleum, by F. W. Doell. December 1774. Pen and Grey Wash, 21 by 16 cm. (Thüringisches Staatsarchiv, Gotha).
Attributed works:
22. Drawing of an Alternative Design for the Mausoleum, by F. W. Doell. July 1776. Pen and Grey Wash, 27.4 by 19 cm. (Thüringisches Staatsarchiv, Gotha).
Western art unattributed:
20. Detail of the Ground Plan of the Church of St Margaret in Gotha, Showing the East End and the Proposed Chapel.