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Contains U.S. Presidential Impeachment Collection on the four affected presidents, a variety of documents both contemporaneous and asynchronous to each president's impeachment. Also contains U.S. Presidential Library that includes messages and papers of the presidents, daily and weekly compilations of presidential documents, public papers of the presidents, documents relating to impeachment, Title 3 of the Code of Federal Regulations (CFR) and related works. Also contains Presidential Commission Reports https://home.heinonline.org/blog/2022/10/tip-of-the-week-how-to-locate-u-s-presidential-commission-reports