1. Harold W. Stanley and Richard G. Niemi, Vital Statistics on American Politics, 4th ed. (Washington, DC: CQ Press, 1994), 218.
2. THOMAS, the Library of Congress' World Wide Web site, is found at 3. Edward F. Willet, How Our Laws Are Made, 101st Cong., 2nd sess., 1990, H. Doc. 101-139, Serial 13987.
4. “How a Bill Becomes a Law,” Congressional Quarterly's Guide to Congress, 4th ed. (Washington, DC: Congressional Quarterly, Inc., 1991), 92A.
5. Alice C. Cole et al., eds., The Department of Defense: Documents on Establishment and Organization, 1944–1978 (Washington, DC: U.S. Government Printing Office, 1978).