4. The Duke of Wellington, by Thomas Campbell. Undated, after 1827. Marble, Height 73.7 cm. (Thirlestane Castle Trust).
Attributed works:
5. The Duke of Wellington, by Thomas Campbell. 1828. Marble, Height 218.5 cm. (Duke of Buccleuch and Queensberry, Dalkeith Palace).
Attributed works:
6. Profile View of the Statue in Fig. 5. [ The Duke of Wellington, by Thomas Campbell. 1828. Marble, Height 218.5 cm. (Duke of Buccleuch and Queensberry, Dalkeith Palace).]
Attributed works:
8. Chalk Study, by James Hall. Copied from Campbell's Bust of the Duke of Wellington and Retouched from Life in 1836. 46.7 by 34.9 cm. (Scottish National Portrait Gallery).
Attributed works:
9. The Duke of Wellington, by James Hall, c.1838. 93.3 by 77.5 cm. (Viscount Fitzharris).
Western art unattributed:
7. Dollond camera lucida, Second Quarter of the Nineteenth Century. (Trustees of the Science Museum, London).