Author
Freytag von Loringhoven, Frank, Baron, 1910-
2
Isenburg, Wilhelm Karl, Prinz von, 1903-
2
Isenburg, Wilhelm Karl, Prinz zu
2
Schwennicke, Detlev
2
Brewer-Ward, Daniel A.
1
Dorr, John F.
1
Garver, John B., Jr
1
Hall, Charles M.
1
Kauhane, Harry D.
1
National Geographic Society (U.S.). Cartographic Division
1
Shupe, John F.
1
Suominen-Summerall, Sally
1