Geographical Information
- Atlases, maps, new and old . Old topographical maps; maps in east wing; water and spring maps; annotated maps (Jones). County nomenclature: Riverside Co. cut out of San Diego Co. in 1893.
- California’s geographic names, a gazetteer of historic and modern names of the state (David L. Durham) Clovis, CA: Word Dancer, 1998 (F859 .D87 1998 Reference). Index to all names that have appeared on topographic maps of California with lat. long. and TRS locators for each place.
- Gazetteers, geographical dictionaries, local and regional place name indices for old and regional nomenclature. The Wikipedia has a comprehensive list (with links) to many national and regional gazetteers.
- Index Holmensis: a world phytogeographic index (Hans Tralau), 9 vols. Zürich: The Scientific Publishers, 1969- (QK11 .T73). Index to places of publication of plant distribution maps, world-wide.
- Jepson place name index About 10,000 known plant collection localities in California are listed.
- NGA GeoNET names server (GNS) is the official repository of all non-U.S. place names sanctioned by the U.S. Board on Geographic Names, which operates its own website to search domestic and foreign names.