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The Concept and the role of the model in mathematics and natural and social sciences : proceedings of the colloquium sponsored by the Division of Philosophy of Sciences of the Internat. Union of History and Philosophy of Sciences organized at Utrecht, January 1960
Freudenthal, Hans, (1961)
Logik und Mathematik für Sozialwissenschaftler
Kliemann, Wolfgang,
Logik der Sozialwissenschaften
Topitsch, Ernst, (1984)
Recent technological progress in the Soviet Union
Gibson, Roland, (1955)
Cotton Textile Wages in the United States and Great Britain : a comparison of trends, 1860-1945
Gibson, Roland, (1948)
Cotton Textile Wages in the United States and Great Britain : A Comparison of Trends, 1860–1945