- The Science of Geography Report of the Ad HocCommittee on Geography Earth Sciences Division, National Academy of Sciences-National Research Council Publication 1277, NAC-NRC, Washington, D.C. 1965 80 pp.
- 1965 . The President's Session . Professional Geographer , 27 ( 4 ) : 30 – 37 . July
- James , Preston E and Jones , Clarence F , eds. 1954 . American Geography: Inventory and Prospect , 590 Syracuse University Press . for the Association of American Geographers)
- Hartshorne , Richard . 1959 . Perspective on the Nature of Geography , Chicago : Rand Mc-Nally & Co. . for the Association of American Geographers)
- Hartshorne , Richard . 1950 . The Nature of Geography , Lancaster, Pa. : Association of American Geographers .
- Ibid., pp. 127 129
- The Science of Geography op. cit., p. 61
- Ackerman , Edward A . 1963 . Where is a Research Frontier? . Annals of the Association of American Geographers , 53 ( 4 ) : 429 – 440 . December
- For one reaction see Thoman Richard S and McGrath Gerald Regional Statistics and their Uses: A Geographical Viewpoint Papers and Proceedings of the 1964 Conference on Statistics Canadian Political Science Association, to be published in 1965 by the CPSA
The Professional Geographer
Volume 17, 1965 - Issue 6