Miscellaneous References and Mentions

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

Note: When we started collecting data about Apex, we were inconsistent about keeping track of where that data came from. As a result, this list of references and mentions is probably incomplete.

Apex is contained in a comprehensive list of Post Offices that was created by Cameron Blevins and Richard Helbock.<1>

The FIPS database contains an entry for Apex. See our Misc Page for Apex for more information.