| 1.
図書 |
図書
|
edited by Alice Taylor
|
||||||
| 2.
図書 |
図書
|
edited by Leon E. Seltzer, with the geographical research staff of Columbia University Press and with the Cooperation of the American Geographical Society
|
||||||
| 3.
雑誌 |
雑誌
|
American Geographical Society of New York
|
