Photographers: Félix Bonfils (1821-1885), Tancrède Dumas (1830-1905), and others. Ethnic groups of the Ottoman Empire. 1870s. 8 albumen prints, mounted to board. Each between ca. 13,8 x 10 cm and 22 x 16,4 cm or reverse (mounts ca. 40,5 x 30,5 cm or reverse). Most numbered and titled in the negative along the lower edge.