Seattle Area Repositories
Archdiocese of Seattle Archives
Museum of History and Industry (MOHAI) Library and Archives
NARA’s Pacific Alaska Region (Seattle)
Pacific Northwest Railroad Archive
Seattle Pacific University Archives
Seattle Public Schools Archives
Seattle University Lemieux Library Special Collections
Washington State Archives (Puget Sound Regional Branch) – King, Kitsap and Pierce Counties
Washington State Repositories
Center for Pacific Northwest Studies
Central Washington University Archives and Special Collections
Evergreen State College Archive and Special Collections
University of Puget Sound Archives
University of Washington Special Collections
- Labor Archives of Washington
- Pacific Northwest Collection
- University Archives
- Washington State Jewish Archives
- Washington State Archives (Puget Sound Regional Branch) – King, Kitsap, and Pierce Counties
- Washington State Archives (Southwest Regional Branch) – Clark, Cowlitz, Grays Harbor, Lewis, Mason, Pacific, Skamania, Thurston, and Wahkiakum Counties
- Washington State Archives (Eastern Regional Branch) – Adams, Asotin, Columbia, Ferry, Garfield, Lincoln, Pend Oreille, Spokane, Stevens, Walla Walla, and Whitman Counties
- Washington State Archives (Northwest Regional Branch) – Clallam, Island, Jefferson, San Juan, Skagit, Snohomish, and Whatcom Counties
- Washington State Archives (Central Regional Branch) – Benton, Chelan, Douglas, Franklin, Grant, Kittitas, Klickitat, Okanogan, and Yakima Counties
- Washington State Digital Archives
- Washington State Records Collections
Washington State Historical Society Research Center
Washington State University Manuscripts, Archives & Special Collections