"enables users to see connections between people, places, and topics across the Digital Archive, and offers new ways to discover historical documents."

Extensive collection of primary source documents in law, history and diplomacy from ancient times through the 21st century.. Organized by time period or by subject collections.

One of the best places to start for all time periods of European history. Extensive collection of primary sources and links to other sites. Browse by broad era (prehistory/ancient, medieval/renaissance, modern) or by country.

Presents texts from ancient to modern times. Material touches on the Crusaders, Italian Renaissance, the Scientific Revolution, the Enlightenment, French Revolution, and many other topics.

Undoubtedly the most extensive collection of primary sources available online.

Wide range world history sources from ancient, medieval and modern time periods.

"Locate primary sources, including images, objects, media, and texts. Annotations by scholars contextualize sources."

Huge list of guides compiled from LOC primary source materials. Search or browse by subject/topic.