A Short & Happy Guide to Contracts 2nd ed. (West Academic Study Aids)
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Acing Contracts 2nd ed. (West Academic Study Aids)
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Black Letter Outline on Contracts 6th ed. (West Academic Study Aids)
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John D. Calamari, Joseph M. Perillo, and Michael P. Malloy
Law School Legends Audio on Contracts 6th ed. (West Academic Study Aids)