1966 - present; updated quarterly.
References to articles in 750+ professional journals, thousands of unpublished research reports, conference papers, and curriculum guides in all areas of education. Electronic equivalent of Resources in Education (RIE) and Current Index to Journals in Education (CIJE).
The library has some of the unpublished research reports, from 1986- [identified by "ED numbers"] on microfiche. ERIC documents were recently pulled from ERIC online. The Library has ERIC documents on microfiche from ED 000 000 to ED 483 046.