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| | Investigation of Missouri Elections | 1947 |
| | Democrats Retain Control, But GOP Gains 5 In Senate, 27 In House | 1950 |
| | House Changes During 81st Congress | 1950 |
| | Election Probes | 1951 |
| | Congressional Elections - 1952 | 1952 |
| | Election Probes | 1952 |
| | Election Percentages: 1946–52 | 1953 |
| | Congressional And Gubernatorial Elections | 1954 |
| | 84th Congress, Second Session: Party Ratios, Party Leaders, Membership Turnover | 1956 |
| | 1957 Off-Year Elections | 1957 |
| | 1958 Returns Set Stage for 1960 Battles | 1958 |
| | Republicans Face Tough Job in 1960 | 1958 |
| | Membership Turnover, Party Leaders, Committee Posts | 1959 |
| | Federal Elections | 1960 |
| | Thirty-Four Senators Elected Nov. 8 | 1960 |
| | When 100 Senators' Terms Expire | 1960 |
| | Federal Elections | 1961 |
| | Democratic Senate Control Assured at Least Until 1968 | 1962 |
| | Greater Voter Perception Stimulates New Election Patterns | 1962 |
| | Democrats Score Net Gain of 38 House Seats | 1964 |
| | House Rejects Challenges in Three Seating Disputes | 1965 |
| | 1966 Elections–A Major Republican Comeback | 1966 |
| | The 1966 Election Results | 1967 |
| | GOP Gains Only 4 House Seats, 26 Short of Control | 1968 |
| | Contested House Elections | 1969 |
| | Democrats, GOP have Mixed Success in 1969 Races | 1969 |
| | 1970 Elections: Democrats Gain in House and Governorships | 1970 |
| | Blue Collar, Ethnic Vote | 1970 |
| | Republicans Gain Two Senate Seats in 92nd Congress | 1970 |
| | Elections '71: Short on Clues for Either Party | 1971 |
| | House: Republican Gain of 12, New Count of 244–191 | 1972 |
| | Two Governors, Four House Seats, Many Mayoralties | 1973 |
| | 1974 Elections: A Major Sweep for the Democrats | 1974 |
| | New Congress is Youngest Since World War II | 1974 |
| | Off-Year Elections: No National Trend | 1975 |
| | Money, Incumbency Failed To Guarantee Success In 1976 Senate Races | 1976 |
| | Off-Year Elections: Slight GOP Trend | 1977 |
| | The New Congress: A Small Step to the Right | 1978 |
| | Complete, Official 1978 Election Results | 1979 |
| | Democrats Have Net Gain of Two Senate Seats | 1984 |
| | 1985 Elections: New Directions for Parties? | 1985 |
| | A Year of Little Turmoil in House Elections | 1986 |
| | House Incumbents Enjoy Record Success Rate | 1986 |
| | 100th Congress: Democrats at the Helm Again | 1987 |
| | Turnover in Congress Hits an All-Time Low | 1988 |
| | '89 Elections: GOP Takeover Hopes Dim | 1989 |
| | Special House Elections | 1989 |
| | No Party Shifts in 1990 Special Elections | 1990 |
| | Official 1990 Election Results | 1990 |
| | House Special Elections | 1991 |
| | Election ‘92 Results | 1992 |
| | GOP's Comeback Dreams Dissolve | 1992 |
| | Ballots Again Cast for Change | 1993 |
| | 1994 Election Results | 1994 |
| | Rare Combination of Forces Makes ‘94 Vote Historic | 1994 |
| | As Elections Loom, GOP Ardor Gives Way to Pragmatism | 1996 |
| | Cities Shrink, Still Aid Democrats | 1997 |
| | Three States Hold Special Elections | 1997 |
| | Nevada Waste Site Falls In Election-Year Tussle Over Senate Seat | 1998 |
| | Senate, House, Gubernatorial Results | 2002 |
| | GOP Strengthens Hand, Winning House for Sixth Consecutive Time | 2004 |
| | GOP Wins Senate Sweepstakes | 2004 |
| | House Majority Remains Unchanged | 2005 |
| | Politics & Eelections Political Power Shift Dominates 2006, No Ordinary Election Year | 2006 |
| | Senate, House & Gubernatorial Results | 2006 |
| | A Year of High Turnover on the Hill | 2007 |
| | Members of the 110th Congress, 1st session -- governors, Supreme Court, executive branch | 2007 |
| | Alaska Sen. Stevens Loses Re-Election After Conviction on Ethics Charges | 2008 |
| | Gubernatorial, Senate and House Election Results | 2008 |
| | Members of the 110th, 2nd Session, Governors, Supreme Court, Executive Branch | 2008 |
| | No Magic Number, but More Muscle | 2008 |
| | Members of the 111th Congress, 1st Session, Governors, Supreme Court, Executive Branch | 2009 |
| | New Administration is Catalyst for a Boom in Congressional Vacancies | 2009 |
| | Democrats Relieved to Keep Majority | 2010 |
| | GOP Wave Yields Control of House, Greater Numbers in the Senate | 2010 |
| | Record Wins Hand House to GOP | 2010 |
| | Republicans Break Losing Streak | 2010 |
| | Parties Split Wins in Special Elections After Ethics-Related Resignations | 2011 |
| | Democrats Solidify Senate Majority | 2012 |
| | Presidential, Gubernatorial, Senate and House Election Results | 2012 |
| | Redistricting Key to House Elections | 2012 |
| | Democrats Keep Two Senate Seats; Six Special Elections Held for House | 2013 |
| | Economic Worries and Discontent with Obama Yield Big GOP Win | 2014 |
| | GOP Strengthens Hold on House | 2014 |
| | Republicans Win Senate Majority | 2014 |
| | Special Elections Bring No Change to Party Balance in House, Senate | 2014 |
| | Republicans Keep Three House Seats in 2015 Special Elections | 2015 |
| | Vitter Loses Louisiana Governor's Race, Forgoes Senate Re-election Bid | 2015 |
| | Davidson Wins Special House Election in Ohio | 2016 |
| | Republicans Have a Smaller House Majority That Leans Farther Right | 2016 |
| | House: Republican Candidates Claim Victories in Friendly Territory | 2017 |
| | Senate: Alabama Democrat Doug Jones Scores Upset Victory Over Roy Moore | 2017 |
| | Special Election Roundup: GOP Wins Most; Democrats Outperform | 2017 |