Analysis of information sources in references of the Wikipedia article "Standing Rules of the United States Senate, Rule XIX" in English language version.
Adapted from Anne M. Butler and Wendy Wolff. United States Senate Election, Expulsion, and Censure Cases, 1793–1990. S. Doc. pp. 269–71. Washington, GPO, 1995.
Adapted from Anne M. Butler and Wendy Wolff. United States Senate Election, Expulsion, and Censure Cases, 1793–1990. S. Doc. pp. 269–71. Washington, GPO, 1995.