1. Which included Ellen Semple and Elsworth Huntingdon. Richard Hartshorne, The Nature of Geography (Pennsylvania: Ass. Am. Geog., 1939) was the usual avenue of approach to much of the wider literature, and the chief British reference was A.F. Martin. Richard Hartshorne, The Nature of Geography (Pennsylvania: Ass. Am. Geog., 1939) was the usual avenue of approach to much of the wider literature, and the chief British reference was A.F. Martin, ‘The necessity for determinism’, Transactions of the Institute of British Geographers, vol. 17 (1951) pp. 1–12.
2. D.J. Bogue, The Structure of the Metropolitan Community: A Study of Dominance and Subdominance (Ann Arbor, 1949).
3. P. Haggett, Locational Analysis in Human Geography (London: Arnold, 1965).
4. J.B. Mitchell (ed.), Great Britain: Geographical Essays (Cambridge University Press, 1962).
5. L. Mumford, The Culture of Cities (London: Secker & Warburg, 1938).