7 7 – 1 9 1 7 ▁( 1 9 9 9 ). ▁arg ues ▁the ▁Democr ats ▁were ▁the ▁true ▁progress ives ▁and ▁G OP ▁was ▁mostly ▁conserv ative ▁ ▁Sar as ohn , ▁David . ▁The ▁Party ▁of ▁Reform : ▁Democr ats ▁in ▁the ▁Progress ive ▁Era ▁( 1 9 8 9 ), ▁covers ▁ 1 9 1 0 – 1 9 3 0 . ▁ ▁Schles inger , ▁Arthur , ▁Jr ., ▁ed . ▁History ▁of ▁American ▁President ial ▁E lections , ▁ 1 7 8 9 – 2 0 0 8 ▁( 2 0 1 1 ) ▁ 3 ▁vol ▁and ▁ 1 1 ▁vol ▁ed itions ; ▁detailed ▁analysis ▁of ▁each ▁election , ▁with ▁primary ▁documents ; ▁ ▁online ▁v . ▁ 1 . ▁ 1 7 8 9 - 1 8 2 4 ▁-- ▁v . ▁ 2 . ▁ 1 8 2 4 - 1 8 4 4 ▁-- ▁v . ▁ 3 . ▁ 1 8 4 8 - 1 8 6 8 ▁-- ▁v . ▁ 4 . ▁ 1 8 7 2 - 1 8 8 8 ▁-- ▁v . ▁ 5 . ▁ 1 8 9 2 - 1 9 0 8 ▁-- ▁v . ▁ 6 . ▁ 1 9 1 2 - 1 9 2 4 ▁-- ▁v . ▁ 7 . ▁ 1 9 2 8 - 1 9 4 0 ▁-- ▁v . ▁ 8 . ▁ 1 9 4 4 - 1 9 5 6 ▁-- ▁v