This annotated bibliography provides citations, abstracts, and indexes for the 355 publications produced by the 16 Educational Resources Information Center (ERIC) Clearinghouses in 1990. These publications consist of digests, bibliographies, state of the art reviews, and information syntheses of various types. An introduction describes the ERIC system, clearinghouse publications, the organization of this bibliography, and the availability of clearinghouse publications. A statistical summary by year (1986-1990) shows the number of publications included for each clearinghouse in the series of which this bibliography is the most recent. Document resumes are provided from the following clearinghouses: (1) Adult, Career, and Vocational Education; (2) Counseling and Personnel Services; (3) Reading and Communication Skills; (4) Educational Management; (5) Handicapped and Gifted Children; (6) Languages and Linguistics; (7) Higher Education; (8) Information Resources; (9) Junior Colleges; (10) Elementary and Early Childhood Education; (11) Rural Education and Small Schools; (12) Science, Mathematics, and Environmental Education; (13) Social Studies/Social Science Education; (14) Teacher Education; (15) Tests, Measurement, and Evaluation; and (16) Urban Education. Indexes by subject, author, and institution are provided. A directory of ERIC system components with addresses, telephone numbers, and brief descriptions of the clearinghouses scope areas is also provided. A form for ordering microfiche or paper copy of ERIC Clearinghouse publications from the ERIC Document Reproduction Service is attached. (MAB)