A rich collection of primary sources related to U.S. history and culture; materials are drawn from the Library of Congress and other research libraries.
This collection is public domain and are not protected by copyright.
Explore African Heritage site objects including scholarly research, books, historical and recent documents, maps, site plans or diagrams, and photographs and slides.
Database of digitized plant specimens and related materials from community contributors around the world. This resource also features reference works and primary sources, such as collectors’ correspondence and diaries, illustrations, and photographs.