Anderson, K. Eric. “Approaches to the Measurement of Spatial Interaction.” Paper presented at the Annual Meetings of the West Lakes Division, Association of American Geographers, Champaign-Urbana. (October, 1969).

Cox, Kevin R. and Reginald G. Golledge. (eds.) Behavioral Problems in Geography. A Symposium. (Evanston: Northwestern University, 1969). Studies in Geography, No. 17.

Friedmann, John. Regional Development Policy: A Case Study of Venezuela. (Cambridge, Massachusetts: The M.I.T. Press, 1966).

Friedmann, John. “Regional Planning and Nation-Building: An Agenda for International Research.” Economic Development and Cultural Change, Vol, 16 (1967), pp. 119-129.

Friedmann, John. A General Theory of Polarized Development, (UCLA: School of Architecture and Urban Planning, mimeographed, October, 1969).

Gauthier, Howard. “Transportation and the Growth of the Sâo Paulo Economy.” Journal of Regional Science, Vol. 8 (1968), pp. 77-94.

Goodchild, M. F. and B. H. Massam. Administrative Areas on a Nonuniform Population Surface. (McMaster University, Department of Geography, mimeographed, 1968).

Gould, Peter R. The Development of the Transportation Pattern of Ghana. (Evanston: Northwestern University, 1960). Studies in Geography, No. 5.

Gould, Peter R. “A Note on Research into the Diffusion of Development.” Journal of Modern African Studies. Vol. 2 (1964), pp. 123-125.

Gould, Peter R. “Tanzania 1920-63: The Spatial Impress of the Modernization Process.” World Politics. Vol. 22 (1970), pp. 149-170.

Grove, David and Laszlo Huszar. The Towns of Ghana: The Role of Service Centers in Regional Planning. (Accra: Ghana University Press, 1964).

King, Leslie J. “The Analysis of Spatial Form and its Relation to Geographic Theory.” Annals of the Association of American Geographers. Vol. 59 (1969), pp. 573- 595.

Mabogunje, Akin. “Urbanization in Nigeria: A Constraint on Economic Development.” Economic Development and Cultural Change. Vol. 13 (1965), pp. 413-438.

Mabogunje, Akin. Urbanization in Nigeria. (New York: Africana Publishing Company, 1969).

McNulty, Michael L. “Urban Structure and Development: The Urban System of Ghana.” Journal of Developing Areas. Vol. 3 (1969), pp. 159-176, Riddell, J. Barry. The Spatial Dynamics of Modernization in Sierra Leone: Structure, Diffusion and Response. (Evanston: Northwestern University Press, 1970).

Russett, Bruce M. International Regions and the International System: A Study in Political Ecology. (Chicago: Rand McNally, 1967).

Saarinen, Thomas F. Perception of Environment. (Washington, D.C.: Association of American Geographers, 1969). Resource Paper No. 5.

Safier, Michael. “The Urban System in Africa: Patterns of Disjunction and Integration.” African Urban Notes. Vol. 2 (1967), Special Geography issue, pp. 4-11.

Slater, David. The Modernization Process — Spatial Aspects and the Latin American Case. (London School of Economics, 1968). Graduate School of Geography Discussion Paper No. 21.

Soja, Edward W. The Geography of Modernization in Kenya. (Syracuse: Syracuse University Press, 1968a).

Soja, Edward W. “Communications and Territorial Integration in East Africa: An Introduction to Transaction Flow Analysis.” East Lakes Geographer. Vol. 4 (1968b), pp. 39-57. Reprinted in R. Kasperson and J. Minghi (eds.), The Structure of Political Geography. (Chicago: Aldine, 1969).

Soja, Edward W. “Rural-Urban Interaction.” Canadian Journal of African Studies. Vol. 1 (1969a), pp. 284-290.

Soja, Edward W. “Transaction Flows and National Unity: The Nigerian Case.” In G. Carter and A. Paden (eds.). Expanding Horizons in African Studies. (Evanston: Northwestern University Press, 1969b), pp. 321-328.

Taaffe, E. J., R. L. Morrill and P. R. Gould. “Transport Expansion in Underdeveloped Countries: A Comparative Analysis.” The Geographical Review. Vol. 53 (1964), pp. 503-529.