History harbor
Explore evidence, eras, and ideas
The full History Harbor is coming soon! Meanwhile, please check out these resources
Archives and primary sources
Work with original documents, newspapers, photographs, objects, and public records.
U.S. National Archives
Primary-source documents, photographs, military records, and research guides.
Library of Congress Digital Collections
Digitized manuscripts, maps, photographs, recordings, books, and newspapers.
Chronicling America
Historic American newspapers from the Library of Congress and state partners.
Digital Public Library of America
Primary-source sets and cultural collections from libraries and museums.
Internet History Sourcebooks Project
Curated ancient, medieval, modern, and thematic primary-source collections.
Avalon Project at Yale Law School
Documents in law, diplomacy, government, and international history.
Europeana: History
Art, documents, photographs, and objects from European cultural institutions.
Gilder Lehrman Institute
American-history documents, essays, exhibitions, and classroom materials.
Museums, reference, and learning
Use expert-written overviews alongside museum collections and guided courses.
Smithsonian History Explorer
Standards-aligned history resources built around Smithsonian collections.
National Museum of American History
Objects, stories, exhibitions, and teaching resources from the Smithsonian.
British Museum Collection
Search objects and stories spanning cultures and thousands of years.
Imperial War Museums
Articles and collections on conflict from the First World War to today.
Holocaust Encyclopedia
Authoritative articles, primary sources, maps, and survivor testimony.
The National WWII Museum
Oral histories, artifacts, timelines, and research on the Second World War.
World History Encyclopedia
Peer-reviewed articles, maps, timelines, images, and teaching materials.
History.com
Accessible articles, timelines, biographies, and documentary video.
History Today
Long-running history magazine featuring historians and archival research.
Khan Academy World History
Free instructional videos and articles covering global history.
OER Project
Free, evidence-based Big History and World History course materials.
Facing History & Ourselves
Historical case studies that connect evidence, ethics, and civic choices.
AP & IB references
Official frameworks and focused review support for advanced secondary history.
AP World History: Modern
The official College Board course framework, skills, and exam resources.
AP United States History
Official AP U.S. History course-description and assessment materials.
IB Diploma Programme History
The official IB History course overview and subject information.
Heimler's History
Widely used AP history review videos and writing-strategy guidance.
ActiveHistory: IB History
Topic guides, source work, simulations, and skills practice organized for IB History.
These independent websites have their own access, privacy, and usage terms. Resource links were reviewed for this interim directory, but external content may change.