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Black's Law Dictionary is a monolingual dictionary for the law of the United States. It was founded by Henry Campbell Black. It has been cited as legal authority in many Supreme Court cases. Over 43,000 carefully researched definitions. Many definitions include references to Corpus Juris Secundum and the West Key Number System® for further research. Over 3,000 quotations. Appendix with over 1,000 law-related abbreviations and acronyms