"Replies from Federal Agencies to Questionnaire Submitted by the Special Subcommittee on Government Information of the Committee on Government Operations", November 1, 1955, 84th Congress, 1st Session.

"Availability of Information from Federal Departments and Agencies", (Hearings, November 7, 1955. Part 1- Panel discussion with Editors et al.) 84th Congress, 1st Session.

"Availability of Information from Federal Departments and Agencies", (Hearings, November 8, 9, and 10, 1955. Part 2 - Civil Service Commission, Post Office, Treasury, and Agriculture) 84th Congress, 1st Session.

"Availability of Information from Federal Departments and Agencies", (Hearings, May 8 and 9, 1956. Part 3 - Panel Discussion with Legal Experts) 84th Congress, 2nd Session.

"Availability of Information from Federal Executive Agencies", (Hearings, March 7, 8, and 9, 1956. Part 4 - Panel discussion on Scientific and Technical Information) 84th Congress, 2nd Session.

"Availability of Information from Federal Departments and Agencies", (Hearings, July 9, 10, and 12, 1956. Part 5 - Department of Defense, First Section) 84th Congress, 2nd Session.

"Availability of Information from Federal Departments and Agencies", (Hearings, January 13, April 18, 19, 23, 24, 27, 30, June 8 and 11, 1956. Part 6 - Department of Commerce) 84th Congress, 2nd Session

"Availability of Information from Federal Departments and Agencies", Twenty-Fifth Intermediate Report of the Committee on Government Operations, July 27, 1956, 84th Congress, 2nd Session. House Report No. 2947.

"Federal Statutes on the Availability of Information", March 1960. 86th Congress, 2nd Session.

"Availability of Information from Federal Departments and Agencies - Progress of Study, August 1958- July 1959", (Twelfth Report by the Committee on Government Operations, September 3, 1959) 86th Congress, 1st Session.

"Availability of Information from Federal Departments and Agencies (The First five Years and Progress of Study, August 1959-July 1960)", Twenty-Fourth Report of the Committee on Government Operations, July 2, 1960, 86th Congress, 2nd Session.

"Availability of Information from Federal Departments and Agencies - Progress of Study, July-December 1960", (Fifth Report by the Committee on Government Operations, July 28, 1961) 87th Congress, 1st Session.