1. Burmah Maps University Of Minnesota Public content 1887. Stanford, Edward, 1827-1904. Cartographic Details: Scale approximately 1:1,750,000 (E 91°20'00"--E 98°40'00"/N 25°15'00"--N 15°30'00"). Relief shown by hachures. Shows administ... Edward Stanford; London.
2. Midden-Sumatra Maps University Of Minnesota Public content 1903. Stanford, Edward, 1827-1904. Cartographic Details: Scale 1:900,000. Inset: Nias. 58 x 86 centimeters Scale 1:900,000 Ames Library of South Asia Maps.