Broadcast Spectrum and Television Standards: Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Fourth Congress, Second Session, June 20, 1996

Spectrum Management: Improving the Management of Government and Commercial Spectrum Domestically and Internationally : Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Seventh Congress, Second Session, June 11, 2002

High Definition Television: Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Fifth Congress, First Session, September 17, 1997

Transition to Digital Television: Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Seventh Congress, First Session, March 1, 2001

Video Content: Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Ninth Congress, Second Session, January 31, 2006, Volume 4

Video Content: Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Ninth Congress, Second Session, January 31, 2006, Volume 4

Spectrum Auctions: Hearing of the Committee on Commerce, Science and Transportation, United States Senate, One Hundred Fourth Congress, First Session, September 12, 1995

Safeguarding Our Future: Building a Nationwide Network for First Responders : Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Twelfth Congress, First Session, February 16, 2011

Report of the National Academy of Sciences on the Effectiveness and Impact of Corporate Average Fuel Economy (CAFE) Standards: Joint Hearing Before the Committee on Commerce, Science, and Transportation and the Committee on Energy and Natural Resources, United States Senate, One Hundred Seventh Congress, First Session, August 2, 2001, Volume 4

Intelligent Vehicle-highway Systems Program and Commercial Motor Vehicles: Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Third Congress, First Session, October 19, 1993

Effects of Changing Federal Policies on Regional Economic Growth: Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Third Congress, First Session, April 16, 1993

Nomination of Roberta Lee Gross to be Inspector General of the National Aeronautics and Space Administration: Hearing of the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Fourth Congress, First Session, June 13, 1995

Public Policy Options for Encouraging Alternative Automobile Fuel Technologies: Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Ninth Congress, First Session, November 15, 2005, Volume 4

Advanced Manufacturing and Biotechnology: Field Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Eighth Congress, First Session, April 14, 2003

International Fisheries: Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Third Congress, Second Session, July 21, 1994

Nomination of Arnold G. Holz to be Chief Financial Officer of NASA: Hearing Before the Committee on Commerce, Science, and Tranpsortation, United States Senate, One Hundred Third Congress, Second Session, April 13, 1994

Nomination of Robert W. Cobb to be Inspector General of the National Aeronautics and Space Administration: Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Seventh Congress, Second Session, March 13, 2002

Universal Service Schools and Libraries Program: Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Fifth Congress, Second Session, July 16, 1998

H.R. 1542, Internet Freedom and Broadband Deployment Act of 2001: Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Seventh Congress, Second Session, March 20, 2002.., Volume 4

June 10, 1999 Olympic Pipe Line accident: field hearing before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Sixth Congress, second session, March 13, 2000, Volume 4