The South Whidbey Historical Museum is located in Langley WA. Coupeville and Langley historical societies have merged with archives available to search on this web site.

It is the ancient place on Agate Passage, the site of Old-Man-House village. The winter home of Chief Seattle and the heart of the Suquamish People. Please call ahead to arrange to see an object in the collection. Photograph, oral history, and manuscript access can usually be satisfied the day of the visit. Copies can be made available of photographs, oral history, and manuscripts. Generally at no cost, unless the reproduction needs to be sent out and then the charge will cover costs only.

Local history and genealogy resources are available. Search for buildings, obits and historical records here.

Timberland Regional Library serves Grays Harbor, Lewis, Mason, Pacific, and Thurston counties in Western Washington State, located in Olympia WA.

This library has WA State material only: census, county histories, land records, death record index and newspapers. Located in Olympia WA. Indexed newspapers and periodicals for WA State subjects, 1965 to present. Location: 1129 Washington Street SE, Olympia WA

List of genealogy societies in Washington state by Region.

6880 Capital Blvd. SE, Tumwater WA, genealogy and NW collections. Holds over 40,000 rolls of microfilm for WA newspapers from the territorial period in the 1850s to the present. Large collection of city directories and phone books.