Miscellaneous References and Mentions

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

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

Map from 1904 (unknown title/publisher)

The GNIS database contains an entry for Esper. See our Misc Page for Esper for more information.