Howard Bury, C. K., Younghusband, F., & Leigh Mallory, G. H. (1922). Mount Everest: The reconnaissance, 1921. By Lieut. Col. C. K. Howard Bury, D.S.O. and other members of the Mount Everest Expedition. With Illustrations and maps (1a. ed.). Edward Arnold & Co.

Howard Bury, C. K., Francis Younghusband, and George H. Leigh Mallory. Mount Everest: The Reconnaissance, 1921. By Lieut. Col. C. K. Howard Bury, D.S.O. and Other Members of the Mount Everest Expedition. With Illustrations and Maps. 1a. ed. Londres: Edward Arnold & Co, 1922.

Howard Bury, C. K., et al. Mount Everest: The Reconnaissance, 1921. By Lieut. Col. C. K. Howard Bury, D.S.O. and Other Members of the Mount Everest Expedition. With Illustrations and Maps. 1a. ed. Edward Arnold & Co, 1922.