Describes the development of the Collaborative Digital Reference Service (CDRS) by the Library of Congress and partner libraries that provides professional reference service to users through an international digital network of libraries. Discusses the benefits of searching library collections rather than just Internet sources and considers future…

Discusses the potential for linking large metropolitan public libraries to international interlibrary loan networks. Issues involved in international networking, including funding, standards, network connectivity, and protectionism, are discussed. Examples of libraries capable of participating and brief descriptions of their collections are given.…

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…