Finch, John
Introduction to legal theory
Sweet & Maxwell, 1974
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Kelsen, Hans
Introduction to the problems of legal theory
Clarendon Press Oxford, 1992
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Finch, John
Introduction to legal theory
Sweet & Maxwell, 1970
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Ward, Ian
Introduction to critical legal theory
Routledge. Cavendish. Taylor & Francis Group, 2004
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Tschebotarioff, Gregory P.
Soil mechanics, foundations, and earth structures : an introduction to the theory and practice of design and construction
McGraw-Hill, 1951
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