Miscellaneous References and MentionsWhile our initial information about Plymouth came from various goverment sources (GNIS), we also found mention of Plymouth in various books and other sources. We've created the following list to keep track of the sources that proved useful in adding to our knowledge about Plymouth. We hope that they will be useful to you. Note: Initially, we were careless about keeping track of where our Plymouth data came from. The following list of references and mentions is incomplete. Table of U.S. Post Offices in the United States (Jan. 1851)
U.S. Post Offices (Oct. 1846)
Plymouth is contained in a comprehensive list of Post Offices that was created by Cameron Blevins and Richard Helbock.<1> The GNIS database contains an entry for Plymouth. See our Misc Page for Plymouth for more information. Footnotes ...
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