This is a nice place to start if you've just started your research. Academic OneFile is a great resource for locating materials in variety of subjects, including: the physical sciences, technology, medicine, social sciences, arts, humanities and more. Its particular strengths are in peer-reviewed articles on the topics of science and technology.
A great starting point for locating scholarly articles. ASP covers social sciences (education, psychology), humanities (art, literature), physical sciences (biology, ecology), as well as other areas.
Find scholarly articles, interviews, original works of fiction, and reviews of books and performances. Subject areas covered include literature, philosophy, history, religion, film, communications, performing arts, and more.
JSTOR is an extensive database of interdisciplinary scholarship from the humanities, social sciences and physical sciences. Contains full-text articles, but may exclude the most recent issues.
ARTStor is an ideal source for viewing high quality images of art and architecture throughout history to the present. The images include information on creator, time period, geography, medium and more.
Flickr, in conjunction with the Library of Congress, maintains a collection of publicly held photographs. The site is international in scope and allows you to search the collection.
These pages link to selected collection content available online at the Library of Congress on topics such as African-American history, American Indian history, city and regional histories, culture and folklife, immigration and ethnic heritage, military history, oral histories, religion in America and women's history.
This vast collection of documentaries, newsreels, public affairs videos, and archival footage covers key themes, events, and historical eras in U.S. History from the colonial period through the 21st Century.
DigiBaeck | German-Jewish History Online
The New-York Leo Baeck Institute houses an extensive archive of primary source materials relating to German-speaking Jewish history. On the DigiBack website, you can listen to oral histories, read unpublished diaries/memoirs, and view amateur films made in the 1930s.
U.S. History in Context
Aggregates a diversity of sources on major U.S. historical topics and people. Includes links to encyclopedia articles, images, audio, relevant articles from academic journals, and primary sources. Good starting point for a contextual overview of a major topic.
World History in Context
Aggregates a diversity of sources on major world historical topics and people. Includes links to encyclopedia articles, images, audio, relevant articles from academic journals, and primary sources. Good starting point for a contextual overview of a major topic.
Official statistical data from the European Union in a browsable, Wikipedia-like format.
This website compiles data from many sources and lets you compare countries side by side, creating maps and graphs for all kinds of statistics.
U.S. Census Bureau
A one-stop source for US statistical information. Search by topic, by state, or browse their library of infographics.
Need more? Check out the Statistical Resources guide.