JSTOR helps people discover, use, and build upon a wide range of content through a powerful research and teaching platform, and preserves this content for future generations. Its rich, multi-disciplinary Primary Sources collections bring together diverse primary source content that complements JSTOR's journal archives. These collections include monographs, pamphlets, manuscripts, letters, oral histories, government documents, images, 3-D models, spatial data, type specimens, drawings, paintings, and more.