Joseph Rock: THE LAND OF THE YELLOW LAMA: KINGDOM OF MULI, BEYOND SNOW RANGE OF YUNNAN PROVINCE, CHINA: by Joseph F. Rock; with 62 Illustrations including. The leader of the National Geographic Society's Yunnan Province expedition visits an isolated Tibeto-Burmese community where sorcerers treat disease by symbol, sacrifice, and elaborate sets of rituals.
Lweis Freeman: THE MOTHER OF RIVERS - AN ACCOUNT OF A PHOTOGRAPHIC WXPEDITION TO THE GREAT COLUMBIA ICEFIELD OF THE CANADIAN ROCKIES: Exploring the largest icefield of the Canada Rocky Mountains, with 40 photographs.
Gilbert Grosvenor: THE NATIONAL GEOGRAPHIC SOCIETY'S YUNNAN PROVINCE EXPEDITION. A short article with 5 photos on teh Rock Expedition.