Number of progressives in Senate.
"History of the United States, Volume 6 (of 6)"
E. Benjamin Andrews
He stood alone until the election of 1908, when nine more progressives took their seats; in 1910 the number jumped to sixteen.
"History of the United States, Volume 6 (of 6)"
E. Benjamin Andrews
The results of the elections of 1910 made it appear that the people were not convinced that this act was an honest redemption of the Republican campaign promises, for in the Senate which assembled in April, 1911, there were twenty-nine thorough-going progressives and five other members who were more progressive than conservative in their views.
"History of the United States, Volume 6 (of 6)"
E. Benjamin Andrews