On this page are sources of ready-information for questions like, who designed the Jefferson Memorial?, or for more complex information, like history of the United States greeting card industry.
Use also to confirm information you find in places like Wikipedia: these sources tend to be perceived as more credible, so you can cite them in a paper with confidence.
Finally, reference sources often include bibliographies, making them profitable places to begin a research project.
Encyclopedias attempt to summarize the state of knowledge in a field of inquiry. A good encyclopedia can be a valuable starting point for your research.
Two online reference collections that students often find useful are: Oxford Reference Online, and Gale Virtual Reference Library.
Below are some examples of encyclopedic reference works that you might find useful. Please visit the History, Philosophy, and Newspaper Library for many more.
In this section we list some reference sources that you might find useful in studying visual representations of the past.