This directory of American bibliographic publications and services is an expansion of the United States' 1980 contribution to UNESCO's annual Supplement on Bibliographic Services Throughout the World. It lists items which began or ceased publication during 1980, as well as some items not on hand during the preparation of earlier lists. (JL)

This compilation provides comprehensive coverage of the bibliographic services in the U. S. It serves as a guide to publications, publishers, associations, Federal agencies, and others offereing these services to give an impression of the variety of activities as well as to suggest many valuable sources to the user. (MF)

Represents an expansion of the 1977 United States reply to UNESCO's annual questionnaire that solicits information from each country for its bimonthly "Bibliography, Documentation, Terminology." Included are a National Bibliography, divided into media categories; current bibliographies, listed by subject; and a bibliography of…