Biden, Joseph R., Jr. (2001年7月24日). Administration's Missile Defense Program and the ABM Treaty: Hearing Before the Committee on Foreign Relations, U.S. Senate. U.S. Government Printing Office. ISBN 0-7567-1959-3
Biden, Joseph R., Jr. (2001年9月5日). Threat of Bioterrorism and the Spread of Infectious Diseases: Hearing before the Committee on Foreign Relations, U.S. Senate. U.S. Government Printing Office. ISBN 0-7567-2625-5