State Library of NSW
Field sketch of the rivers Mondego, Criz and Dao; between the Busco Ridge Sta. Comba Dao. 7ber [sic] 1816, Tho. Mitchell, Rifle Brigade, manuscript map181-?
Finished maps published by James Wyld in his atlas: "Maps and plans: showing the principal movements, battles & sieges, in which the British army was engaged during the war from 1808 to 1814, in the Spanish Peninsula and of the south of France".
Ink and wash. Colours. From these manuscripts were drawn Mitchell's printed map, Movements of the two armies after the repulse of Marshall Massena's attack upon the position of Busaco.