Explorations in Turkestan with an Account of The Basin of Eastern Persia and Sistan. Expedition of 1903, under the Direction of Raphael Pumpelly. Washington. D. G.; Published by the Carnegie Institution of Washington, April 1905. Kvart. 324 S. med talrige Illustrationer, Kort og Kortskitser.

Olufsen, O. (1906). Explorations in Turkestan with an Account of The Basin of Eastern Persia and Sistan. Expedition of 1903, under the Direction of Raphael Pumpelly. Washington. D. G.; Published by the Carnegie Institution of Washington, April 1905. Kvart. 324 S. med talrige Illustrationer, Kort og Kortskitser. Geografisk Tidsskrift, 18. Hentet fra https://tidsskrift.dk/geografisktidsskrift/article/view/49321