Miscellaneous References and MentionsWhile our initial information about Duffryn Mawr came from various goverment sources (GNIS), we also found mention of Duffryn Mawr in various books, maps and other sources. We've created the following list to keep track of the sources that proved useful in adding to our knowledge about Duffryn Mawr. We hope that they will be useful to you. Note: Initially, we were careless about keeping track of where our Duffryn Mawr data came from. The following list of references and mentions is incomplete. Business Atlas and Shippers' Guide (1895)
A note taken from the Shipper's Guide for Duffryn Mawr: Rand McNally Map of Pennsylvania (1911)
Duffryn Mawr 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 Duffryn Mawr. See our Misc Page for Duffryn Mawr for more information. Footnotes ...
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