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Russian Central Asia : including Kuldja, Bokhara, Khiva and Merv ; in two volumes
Lansdell, Henry, (1885)
Mongolische Volksrepublik : (Ausw.-Bibliogr.)
Jagau, Axel, (1985)
Tadžikistan
Bardier, V. M., (1939)
Ethnic groups and languages of Iran
Vreeland, Herbert H., (1969)
Iran
Vreeland, Herbert Harold, (1957)
Cambodia : its people, its society, its culture
Steinberg, David Joel, (1959)