You can access the ERIC Thesaurus and Indexes in the blue ribbon at the top of the page.
You can search and explore the Thesaurus for ERIC descriptors. ERIC descriptors are the equivalent of Subjects used in other EBSCOhost databases. These descriptors can be added to a search.
Use Indexes to explore the possible ways to refine your search results. An Index results can be added to a new search in ERIC.
For example, by browsing the Institution and Sponsoring Agency index, you can add specific institutions or agencies to an ERIC search.