=== History ===
The Ada County Historic Preservation Council has published a brochure entitled [http://www.adaweb.net/Portals/0/HPC/Documents/PreservationPlanPublicReviewOct2006Web.pdf ''2006 Preservation Plan'']. Included in this brochure are several pages (pp. 11-36) of the history of Ada County, including a detailed timeline of historic events in Ada County and the State of Idaho. Several photographs of historic sites in the county are also included.
The Idaho State Historical Society Reference Series includes a short history of Ada County as well, available at the [http://idahodocs.cdmhost.com/cdm/ Idaho Digital Resources website].
''Online County Histories''<br>