The directory identifies 111 Army sources of technical information that include 2200 specialized subject areas. The sources are indexed by subject matter, and name of holding, so that a searcher can find a description of all available indexed Army information services, with details on scope and size of collections, services available, and means of obtaining help. It is for use of the research and development community having authorized access to these information sources, and for intercommunication between the sources themselves. (author/mf)