Title: Papers of Edward P. Costigan, relating to the progressive movement in Colorado, 1902-1917,
Authors: Costigan, Edward Prentiss, 1874-1939.; Goodykoontz, Colin Brummitt, 1885-; Goodykoontz, Colin Brummitt, 1885-1958.
Publisher: University of Colorado,
Year: 1941
Subjects: Progressive Party.; Progressive Party (U.S. : 1912); Colorado Politics and government.