Miscellaneous References and Mentions

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

Note: Initially, we were careless about keeping track of where our Northumberland data came from. The following list of references and mentions is incomplete.

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