The industrialization and concomitant growth of large urban centers with a population cluster and an increasing process of individualization of recurrent groups in classical sociological research. from the sociological approach of émile durkheim, the efforts were marked by the processes of urbanization and individuation in the mechanisms of social solidarity.

I. The FieldRichard Hartshorne

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II. Political GeographyHarold H. Sprout

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III. Economic GeographyRichard S. Thoman

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IV. Cultural GeographyEdward T. Price

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V. Social GeographyAnne Buttimer

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VI. Statistical GeographyBrian J. L. Berry

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The articles under this heading describe the main fields of contemporary geography and the field of statistical geography, which is an approach to geography rather than a discrete field. Other material of direct or related interest to geography may be found under Area; Cartography; Central place; City; Conservation; Culture area; Diffusion, article onthe diffusion of innovations; Ecology; Enclaves and exclaves; Environment; Environmentalism; Industrial concentration; Land; Landscape; Location theory; Planning, social; Population; Rank-size relations; Region; Regional science; Water resources. Biographical articles of relevance to geography include Bowman; Brown; Fleure; Hettner; Humboldt; Huntington; KjellÉn; Mackinder; Marsh; Ratzel; Rltter; Sauer; Teleki; Vldal de la Blache.

Geography is neither a purely natural nor a purely social science. From its early development as an organized field of knowledge in classical Greece, geography has included animate as well as inanimate things, man and his works as well as nature. This was of little concern as long as man was regarded as an integral part of nature. But geography, although a very old subject, did not become established as a university discipline with an organized academic profession until after the natural and social sciences had become divided into separate faculties. Regular university departments of geography were first established in German-speaking countries in the 1870s and 1880s; in France a little later; and in Great Britain and the United States generally in the present century. In each country the first generation of professors of geography had been trained in other fields, in most cases the natural sciences. Self-taught in geography, few of them outside Germany were fa miliar with its past development.

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