Schweinfurth, U., & Schweinfurth-Marby, H. (1975). Exploration in the eastern Himalayas and the River Gorge Country of southeastern Tibet: Francis (Frank) Kingdon Ward (1885-1958) - An annotated bibliography with map of the area of his expeditions. Geoecological research.
Chicago-Zitierstil (17. Ausg.)Schweinfurth, Ulrich, und Heidrun Schweinfurth-Marby. "Exploration in the Eastern Himalayas and the River Gorge Country of Southeastern Tibet: Francis (Frank) Kingdon Ward (1885-1958) - An Annotated Bibliography with Map of the Area of His Expeditions." Geoecological Research 1975.
MLA-Zitierstil (9. Ausg.)Schweinfurth, Ulrich, und Heidrun Schweinfurth-Marby. "Exploration in the Eastern Himalayas and the River Gorge Country of Southeastern Tibet: Francis (Frank) Kingdon Ward (1885-1958) - An Annotated Bibliography with Map of the Area of His Expeditions." Geoecological Research, 1975.