唐·尼科尔斯

尼科尔斯毕业于俄克拉荷马州立大学。1979年至1981年间，任俄克拉荷马州参议员。1980年他竞选俄克拉荷马州联邦参议员成功，此后一直连任至2005年。期间，他曾担任参议院共和党党鞭以及参议院预算委员会主席。

尼科尔斯于2005年卸任参议员后，创办了游说公司尼科尔斯集团（The Nickles Group）。^[1]

• "Nickles, McCaleb Try to Sabotage Oklahoma Amtrak Service, Opt for Yugo Rather Than Cadillac."（页面存档备份，存于互联网档案馆） Oklahoma State Senate. Communications Division, State Capitol. May 24, 1999.
• Biographical Directory of the American Congress, 1774–1996. Alexandria, Va.: CQ Staff Directories, 1997.
• "Donald Nickles." Research Division, Oklahoma Historical Society, Oklahoma City, Okla.
• Biographical Directory of the United States Congress, 1774–1989. Washington, D.C.: U.S. Government Printing Office, 1989.
• Congressional Directory, 106th Congress, 1999–2000. Washington, D.C.: U.S. Government Printing Office, 1999.
• Congressional Quarterly's Politics in America 2000, The 106th Congress. Philip D. Duncan and Brian Nutting, eds. Washington, D.C.: Congressional Quarterly, Inc., 1999.
• Who's Who in American Politics, 1997–1998. Marquis Who's Who, 1997.