A founder trustee of OCLC recounts the steps toward automation of library catalogs encountered during his career, from the use of punched cards in a circulation system to the implementation of online union catalogs. (CLB)

Describes Structured Query Language (SQL), the result of an American National Standards Institute effort to standardize language used to query computer databases and a common element in second generation database management systems. The discussion covers implementations of SQL, associated products, and techniques for its use in online catalogs,…

Describes an automated storage/retrieval system which is integrated with an online catalog and circulation system at California State University--Northridge as a practical solution to the problems of expanding collections and escalating construction costs. The impact of this system on user services is discussed. (CDD)

A distributed union catalog is a network of bibliographic systems that cooperate to enable their users to discover sites that hold copies of known items. Some participating systems will be traditional union catalogs, others will be single sites with comprehensive collections, and others will be local or regional resource sharing systems. A…

The virtual Canadian union catalog (vCuc) project is a project among Canadian libraries to use Z39.50 (an information protocol standard) for searching distributed individual library catalogs and union catalogs. This paper summarizes the major technical, vendor, bibliographic data, and administrative issues that must be resolved before the…