National Information Center : Appendix To Volume 1, Parts 1, 2, and 3: hearings before the United States House Committee on Education and Labor, Ad Hoc Subcommittee on a National Research Data Processing and Information Retrieval Center, Eighty-Eighth Congress, first session.

Includes National Federation of Science Abstracting and Indexing Services report "Some Counterparts in Perspective -- A Report on Research Data Processing and Information Retrieval in Other Countries, Including Poland and the Soviet Union," Nov. 1959 (p. 155-372).