🔍 Research Resource Guide: Finding Credible Sources
This section offers a collection of trusted websites and organizations where you can find reliable primary and secondary sources for research. Whether you're working on a history project, science report, or current events paper, these tools will help you access factual, well-documented information from libraries, archives, academic institutions, and news organizations.
The Library of Congress website (LOC.gov) offers free access to a wide range of digital primary and secondary sources for students and researchers of all ages. This resource guide includes links to these materials, helpful search tools, and tips for using them effectively.
The National Archives Catalog is an online database where students can explore original U.S. historical records, including photographs, letters, maps, laws, and government documents. It’s a valuable research tool for finding primary sources that help you study history using real evidence from the past.
Chicago students pre-K through grade 12 have access to the resources of Chicago Public Library through The 81 Club, a special student library account.If you're a CPS student, your student ID is your library card number. You don’t even need a physical card!
- Don’t know your student ID? Library staff can look it up for you!
- Your PIN is your home ZIP code.

Explore Chicago Collections lets researchers, teachers and students search many locations at once. The unified collection lets you locate thousands of archival collections and digital images at member institutions all over the Chicago area.