Research and Library

Explore Oregon’s History

The Oregon Historical Society’s research library is an invaluable resource for learning about the past and providing context on the present. The library preserves the world’s largest collection of Oregon-related materials, documenting the people, places, and events that have shaped Oregon’s history. Visitors can enjoy broad access to these materials, both in the library’s newly renovated reading room and online through OHS’s digital collections and digital history resources.

Library Information


Tuesday: 1pm – 5pm
Wednesday – Saturday: 10am – 5pm

Voicemail: 503.306.5240


1200 SW Park Ave
Portland, OR 97205

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There is no charge for admission to the research library.

Museum admission information

Holiday Closures

Veteran’s Day November 11, 2022
Thanksgiving November 24 – 26, 2022
Educator Workshop December 10, 2022
Christmas December 23 – 26, 2022
New Year’s December 31, 2022 –
January 2, 2023

About the Library

Learn more about accessing and using OHS’s research library collections, both in-person and online. All are welcome to visit the library and use OHS’s collections for personal or professional projects.

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Digital History Projects

The Oregon Historical Society’s Digital History Projects provide the most authoritative and comprehensive online resources on Oregon history....

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Research Guides

OHS research guides provide tips and resources for exploring Oregon history through the research library’s collections.

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Learn how to find and access materials from OHS’s research library collections and how to request materials in advance of an in-person visit.

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Research Fellowships

The Oregon Historical Society offers two Donald J. Sterling, Jr. Fellowships in Pacific Northwest History, one to scholars and one to candidates...

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