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 | Leading Candidates in Presidential Primaries, 1976 (percent) | | Facts & Figures |
 | Leading Candidates in Presidential Primaries, 1988 (percent) | | Facts & Figures |
 | Presidential Candidates' Delegate Strength from Caucus States and Primary States, 1968–2008 | | Facts & Figures |
 | “Bull Moose” Party Platform | 1912 | Primary Source |
 | 2008 Democratic and Republican Presidential Primaries | Jan. 8, 2008 | Primary Source |
 | An Evolutionary Process | | Encyclopedia Entry |
 | California Democratic Party v. Jones, Secretary of State of California | Jun. 26, 2000 | Case Summary |
 | Choosing a Running Mate: The Balancing Act | | Facts & Figures |
 | Convention Sites | | Encyclopedia Entry |
 | D.C. Presidential Primary, 1971 Legislative Chronology | 1971 | Legislative Analysis |
 | Dark Horse | | Encyclopedia Entry |
 | Democratic Candidates' Atlanta Debate of 1984 | 1984 | Primary Source |
 | Democratic Party of the United States v. LaFollette | Feb. 25, 1981 | Case Summary |
 | Front-Loaded Process | | Encyclopedia Entry |
 | GOP Primary Rules | | Encyclopedia Entry |
 | Grovey v. Townsend | Apr. 1, 1935 | Case Summary |
 | How Caucuses Work | | Facts & Figures |
 | Illinois Bd. of Elections v. Socialist Workers Party | Feb. 22, 1979 | Case Summary |
 | Junior Tuesday | 1996 | Encyclopedia Entry |
 | Kusper v. Pontikes | Nov. 19, 1973 | Case Summary |
 | Leading Candidates in Presidential Primaries, 1968 (percent) | | Facts & Figures |
 | Leading Candidates in Presidential Primaries, 1972 (percent) | | Facts & Figures |
 | Leading Candidates in Presidential Primaries, 1980 (percent) | | Facts & Figures |
 | Leading Candidates in Presidential Primaries, 1984 (percent) | | Facts & Figures |
 | Leading Candidates in Presidential Primaries, 1992 (percent) | | Facts & Figures |
 | Leading Candidates in Presidential Primaries, 1996 (percent) | | Facts & Figures |
 | Leading Candidates in Presidential Primaries, 2000 (percent) | | Facts & Figures |
 | Leading Candidates in Presidential Primaries, 2004 (percent) | | Facts & Figures |
 | Leading Candidates in Presidential Primaries, 2008 (percent) | | Facts & Figures |
 | Money in Presidential Campaigns | | Unknown |
 | Nominating Procedures, 1965-1968 Overview | 1965 - 1968 | Legislative Analysis |
 | Nominations Reform: Reversal of Fortune | | Encyclopedia Entry |
 | Nominations Today | | Encyclopedia Entry |
 | Number of Democratic Presidential Primaries and Percentage of Delegates Selected through Primaries, 1968-2000 | | Facts & Figures |
 | Number of Republican presidential primaries and percentage of delegates selected through primaries, 1968-2000 | | Facts & Figures |
 | Political Party Reforms, 1972 | 1972 | Legislative Analysis |
 | Positive Television News Coverage of Presidential Candidates, 2000 Primaries | | Facts & Figures |
 | Positive Television News Coverage of Presidential Candidates, 2004 Primaries (percent) | | Facts & Figures |
 | Presidential primaries and caucuses | | Encyclopedia Entry |
 | Presidential Primaries: Introduction | | Encyclopedia Entry |
 | Presidents' Reelection Chances | | Facts & Figures |
 | Proceedings of the Congressional Caucus | 1824 | Primary Source |
 | Selection by Caucus | | Facts & Figures |
 | State Methods for Choosing Democratic and Republican National Convention Delegates, 2004 | | Facts & Figures |
 | Super Tuesday | | Encyclopedia Entry |
 | Tashjian v. Republican Party of Connecticut: Ruling of the U.S. Supreme Court Permitting Political Parties to Hold Open Primaries | Dec. 10, 1986 | Primary Source |
 | Tashjian v. Republican Party of Connecticut | Dec. 10, 1986 | Case Summary |
 | The Complexity of Primary and Caucus Rules | | Unknown |
 | The McGovern-Fraser Commission Report | 1971 | Primary Source |
 | The Nominating System: From Primaries and Caucuses to the Convention | | Encyclopedia Entry |
 | The Primary and Caucus Schedule | | Unknown |
 | Types of Primaries and Procedures | | Facts & Figures |
 | Uniform Elections Bill, 1976 Legislative Chronology | 1976 | Legislative Analysis |
 | Vice Presidents Who Have Become President | | Facts & Figures |
 | Votes Cast and Delegates Selected in Presidential Primaries, 1912–2008 | | Facts & Figures |