International Encyclopedia of Comparative Law Online

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Volume II: The Legal Systems of the World/Their Comparison and Unification | Chapter 5 (1971): The International Unification of Private Law

1. Multiplicity of the legal systems. – The world today presents a picture of great diversity in legal matters. Each sovereign state has its own individual system, and one can frequently see several systems in operation in the same state: be it a federal state or a unitary state where the law or parts thereof have not been unified. Thus, in america, 50 state legal systems exist concurrently with the federal law, and in the ussr each of the 15 Soviet So…

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René David, “Introduction”, in: International Encyclopedia of Comparative Law Online, Edited by: U. Drobnig, R. David, H. H. Egawa, R. Graveson, V. Knapp, A. T. Von Mehren, Y. Noda, S. Rozmaryn, V. M. Tschchikvadze, H. Valladão, H. Yntema, K. Zweigert. Consulted online on 17 January 2022 <>
First published online: 2018

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