The geographical conceptions of Columbus : a critical consideration of four problems /
by George E. Nunn.
- Expanded ed. / with a new essay "The test of time" by Clinton R. Edwards.
- Milwaukee : New York : American Geographical Society Collection of the Golda Meir Library, University of Wisconsin-Milwaukee ; American Geographical Society, 1992.
- 195 p. : ill. (some col.), maps ; 21 cm.
- American Geographical Society research series ; no. 14 .