[6] Along with Mrs. Charles Wister Ruschenberger, she sent photographs of a "women's liberty bell" to each United States Senator.
[7] In 1919, Riegel met with James P. Goodrich, Governor of Indiana, to urge him to call a special legislative session to ratify the woman's suffrage amendment.
[9] The protest was part of a series of "watch fires" carried out by the NWP due to the failure of the Senate to pass the 19th amendment.
[9] She later helped organize the Prison Special to raise awareness about the imprisonment of activists and the inhumane treatment they received in jail.
[13] She traveled through Europe and Latin America and worked with the Women's Consultative Committee of the League of Nations.