Ekvall, Robert B. 1898-1983. Tibetan sky lines / by Robert B. Ekvall. - 240 pages, [8] leaves of plates : ill. ; 22 cm. LCCN: 76022178 Subjects--Geographic Terms: Tibet Autonomous Region (China)--Social life and customs. LC Class. No.: DS786 / .E44 1976 Dewey Class. No.: 951/.5