Prince's Dictionary of Legal Abbreviations W. S. Hein & Co.
Library has the 7th (2016), 6th (2009), 5th (2001), 1994 Reversed, and 4th (1993) editions.
Formerly titled Bieber's Dictionary of Legal Abbreviations.
From the publisher: "Prince's Dictionary of Legal Abbreviations contains an extensive range of acronyms, abbreviations, and symbols found in primary and secondary sources of American legal literature. . . . Titles, names, and terms often have multiple abbreviations or acronyms. This book, without distinction, includes abbreviations established by well-recognized authorities such as The Bluebook: A Uniform System of Citation as well as abbreviations otherwise devised by authors in their efforts to shorten legal references and citations."
Guide to Foreign and International Legal Citations New York University
Library has 1st (2006) edition.