Contributed technical papers
National Geographic Sociery
National Geographic Sociery 1939 Contributed technical papers / National Geographic Sociery . Solar eclipse series ; no. 1
所蔵館4館
National Geographic Society 1936 Contributed technical papers / National Geographic Sociery . Stratosphere series ; no. 2
所蔵館2館
by A.E. Douglass
[s.n.] 1935 Contributed technical papers / National Geographic Sociery Pueblo Bonito series ; no. 1
所蔵館1館
National geographic society 1935 Contributed technical papers / National Geographic Sociery . Stratosphere series ; no. 1
