2d) is an encyclopedia of the United States law, published by West.
It was originated by Lawyers Cooperative Publishing, which was subsequently acquired by the Thomson Corporation.
It is a staple of law libraries, and the current edition is over 140 volumes, updated with replacement volumes, annual pocket supplements, and a New Topic Service binder.
Before Thomson's acquisition of West Publishing, it was a competitor to Corpus Juris Secundum.
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