William G. Blackie, Asia (detail), in William G. Blackie, The Imperial Atlas of Modern Geography (London: Blackie and Son, 1860), pl. XXXVIII. Photograph courtesy of the BNF (Cartes et Plans GE DD- 2285).

William G. Blackie, Asia (detail), in William G. Blackie, The Imperial Atlas of Modern Geography (London: Blackie and Son, 1860), pl. XXXVIII. Photograph courtesy of the BNF (Cartes et Plans GE DD- 2285).