Miscellaneous References and Mentions

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

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

List of Post Offices in the United States (1870)

Published by the Government Printing Office

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