This annotated bibliography of ERIC clearinghouse and support contractor publications covers 248 documents announced in RIE (Resources in Education) from January through December 1999. The format and arrangement of citations in this bibliography conform to that in the original announcement in RIE. Citations are arranged by clearinghouse, and within each clearinghouse section documents are listed in accession number order. The introduction to the bibliography provides information on the ERIC system, ERIC abstract journals, ERIC clearinghouse and support contractor publications, bibliographies of these publications, the organization of this bibliography, availability of ERIC clearinghouse and support contractor publications, adjunct ERIC clearinghouses, ACCESS ERIC, and AskERIC, as well as a sample document resume and a statistical summary of ERIC publications by clearinghouse by year (1968-99). Subject, personal author, and institution indexes are provided. Appendices include: document resumes for adjunct ERIC clearinghouse, ERIC support contractor, and ERIC Program Office publications; a directory of ERIC network components; and an ERIC Document Reproduction Service order form. (MES)