| Miscellaneous References and MentionsWhile our initial information about Long Green came from various goverment sources (GNIS, FIPS), we also found mention of Long Green 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 Long Green. We hope that they will be useful to you. Note: When we started collecting data about Long Green, we were inconsistent about keeping track of where that data came from. As a result, this list of references and mentions is probably incomplete. Business Atlas and Shippers' Guide (1895)
 A note taken from the Shipper's Guide for Long Green: North American Railroad Atlas - Northeast
 Maryland: Official Transportation Map (2003)
 Rand McNally Map of Maryland (1911)
 Long Green is contained in a comprehensive list of Post Offices that was created by Cameron Blevins and Richard Helbock.<1> Both the GNIS and FIPS databases contain entries for Long Green. See our Misc Page for Long Green for more information. Footnotes ...
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