Search for online and physical (print) items using the online library catalog, Worldcat. Type in your broad topic and add "AND encyclopedia" to the search. Click search to view the results in the catalog, refine your results, and then click on any title to view more information about the item, including location information. Go to Worldcat.
Online encyclopedias and other reference sources, can be found using a database that provides online access to reference sources like encyclopedias. Open a suggested encyclopedia database, then search for your topic by keyword, refine your results, and capture relevant entries. View list of Encyclopedia databases.