Halvorson, P. and Stave, B.M.1978: A conversation with BrianJ. L. Berry.,Journal of Urban History4, 209-38.
2.
James, P. E. and Jones, C. F., editors, 1954: American geography: inventory and prospect. Syracuse: Syracuse University Press.
3.
James, P.E. and Martin, G.J.1979: The Association of American Geographers: the first seventy-five years. Washington DC: Association of American Geographers.
4.
Marcus, M.G.1979: Coming full circle: environmental and physical geography in the twentieth century. Annals of the Association of American Geographers69.
5.
Meinig, D.W.1979: The continuous shaping of America: a prospectus for geographers and historians. American Historical Review . 83, 1186-1217.