Online database search services directory: A reference and referral guide to libraries, information firms, and other sources providing computerized information retrieval and associated services using publically available online databases: (1st Edition). J. Schmittroth, and D.M. Maxfield (Eds). Gale Research Company, Detroit (1983). 572 pp., $75.00. ISBN 0-8103-1698-6 (PB).