History, Philosophy, and Newspaper Library Online Reference Collection
A list of encyclopedias, bibliographies, indexes, catalogs, and other reference works available online for the study of History, Philosophy, Religious Studies, African American Studies, Jewish Studies, and related disciplines.
You can also explore our online reference collection—see categories to the left.
Photograph credit: Background image is a detail from: "Greenbelt, Maryland. Federal Housing Project Library" taken by Marjory Collins in 1942 for the Farm Security Administration. Library of Congress reproduction number: LC-USW3-003498-E.