The records date from 1856, within the geographical area of western Washington, Oregon, California, and Alaska. Scroll down for links to collection inventories. Links will be added as inventories are completed. In-house finding aids are available.
Some materials are confidential and access is restricted.
Following are the institution sub-groups, arranged in chronological order by state. Dates indicate opening and closing of the institution or the dates under Providence sponsorship, not necessarily the scope of the records within the sub-group.