2008-11-28 [2021-01-26]. (原始内容存档于2021-03-08). Democrat Wins Special Election for Kerry's Senate Seat. The New York Times. [2020-05-21]. (原始内容存档于2021-04-16).
Tammy Baldwin at the University of Wisconsin School of Medicine and Public Health, January 25, 2007 "Health Care Reform in 2009? The View from Washington