A center within Columbia University's Earth Institute, CIESIN provides an extensive gateway to data and other information focusing on human interactions in the environment. Provides a topic search as well as subject access to spatial and tabular data sets held by CIESIN or hosted on its web site.
Gateway to primary sources on the civil rights movement in the U.S., including films, oral histories, government documents, and editorial cartoons.
Links to various ranking services, "along with cautionary notes and a discussion of the ongoing controversy over rankings." Provided by the Education and Social Science Library of the University of Illinois.
Articles of Confederation, Bill of Rights, Congressional Record, Constitution of the United States, Declaration of Independence, Public Laws, etc.
Digital Schomburg from the New York Public Library provides access to online exhibitions, books, articles, photographs, prints, audio and video streams, and selected external links for research in the history and cultures of the peoples of Africa and the African Diaspora.
A digital collection of seminal South Asian reference and research materials, including historical dictionaries, photographs, maps, data, books, and newspapers. From the University of Chicago.
Hub for trans-related archival materials. Focuses on materials produced or events that took place before 2000.
Index of free, full text, quality controlled scientific and scholarly journals.
Gateway to digital collections of primary sources (photos, letters, diaries, artifacts, etc.) that document the history of women in the United States
"Collection of electronic texts and links to texts originally written in or about the Americas from 1492 to approximately 1820."