81. Garfield, Eugene. "Statement Before the Ad Hoc Subcommittee of the Committee on Education and Labor, House of Representatives, Roman Pucinski, Chair, Eighty-Eight Congress, First Session, on H.R. 1946 Part 2". Hearings on a National Research Data Processing and Information Retrieval Center, July 18-19, 1963, Washington, D.C., United States Government Printing Office, p. 227-252, 1963, 1963

81. Garfield, Eugene. "Statement Before the Ad Hoc Subcommittee of the Committee on Education and Labor, House of Representatives, Roman Pucinski, Chair, Eighty-Eight Congress, First Session, on H.R. 1946 Part 2". Hearings on a National Research Data Processing and Information Retrieval Center, July 18-19, 1963, Washington, D.C., United States Government Printing Office, p. 227-252, 1963, 1963, Box: 90, Folder: 44. Eugene Garfield Papers, 2009-036. Science History Institute Archives. https://sciencehistory.libraryhost.com/repositories/3/archival_objects/20858 Accessed November 24, 2024.