Refer to Publications and Outreach (P Series) for articles and presentations on OBAR. Additional sources of relevant information about OBAR and other automated research systems:
A History of Online Information Services, 1963-1976 (Comprehensive treatment on every aspect of the history of automated research systems during the early developmental years that laid the groundwork for today's systems.)
Automated Law Research: a Collection of Presentations (Collection of presentations from the first National Conference on Automated Law Research (NCAIR, 1972) includes presentations by Jerome Rubin on Lexis, Robert Asman on OBAR, Juris, Quic/Law, etc.)
Legal Decisions and Information Systems (Jon Bing & Trygve Harvold, 1977; includes discussion of Horty, Aspen, Lexis and OBAR.)
Sense and Systems in Automated Law Research (Collection of presentations from the second National Conference on Automated Law Research (NCAIR, 1973) includes Richard McGonigal's discussion about Cleveland law firm Squire, Sanders, & Dempsey's early OBAR use.)