Alexander K. Johnston, Asia (detail), in Alexander K. Johnston, The Half-Crown Atlas of General Geography (Edinburgh: W. & A. K. Johnston, 1869). Photograph courtesy of the BNF (Cartes et Plans GE FF- 7958)

Alexander K. Johnston, Asia (detail), in Alexander K. Johnston, The Half-Crown Atlas of General Geography (Edinburgh: W. & A. K. Johnston, 1869). Photograph courtesy of the BNF (Cartes et Plans GE FF- 7958)