Nathaniel Curzon: Persia and the Persian question. 1892. In: William O. Beeman: Status, Style and Strategy in Iranian Interaction. In: Anthropological Linguistics. vol. 18, no. 7, 1976, S. 305–322. archive.org
William O. Beeman: Status, Style and Strategy in Iranian Interaction. In: Anthropological Linguistics. vol. 18, no. 7, 1976, S. 305–322, (JSTOR, abgerufen am 3. März 2021)