Miscellaneous References and Mentions

While our initial information about Duffield came from various goverment sources (GNIS, FIPS), we also found mention of Duffield 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 Duffield. We hope that they will be useful to you.

Note: When we started collecting data about Duffield, 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)
Published by Rand McNally & Co.

A note taken from the Shipper's Guide for Duffield:
Services available in 1895: had a Post Office, no Railroad mentioned

Rand McNally Map of Pennsylvania (1911)
Published by Rand McNally & Co.

Duffield 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 Duffield. See our Misc Page for Duffield for more information.