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February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index
Comprehensive guide to identifying and acquiring government-sponsored documents, maps, patents, specifications, and other resources. Describes each item and gives its source, acronym, series designation or short title, cost, where it is indexed, and telephone numbers to call for more information. It emphasizes research development, testing, and evaluation programs.