A card documenting an interview Myrtle Cain conducted to test support for the Equal Rights Amendment, ca. 1928. Congressional voting card collection, National Woman’s Party.

Myrtle Cain greets fellow legislators in Washington, DC, 1924. LC-H234- A-8105 [Prints and Photographs], Harris & Ewing photograph collection.

Legislator Myrtle Cain arrives in Washington, DC, to promote her equal rights bill, 1924. LC-H234- A-8103 [Prints and Photographs], Harris & Ewing photograph collection.

Myrtle Cain, ca. 1923.

Myrtle Cain during her first term in the Minnesota House, 1923.

Suffragists including Bertha Moller, secretary of the Minnesota branch of the National Woman's Party (second from left), pose with a suffrage petition before presenting it to a New Mexican senator, 1918. Records of the National Woman’s Party, Library of Congress.

Sarah Colvin, president of the Minnesota branch of the National Woman's Party, poses in front of party headquarters in Washington, DC, 1918. Records of the National Woman’s Party, Library of Congress.

National Woman’s Party (NWP) Secretary Bertha Moller of Minneapolis (left) and a second woman hold a banner at a protest, ca. 1917. Records of the National Woman’s Party, Library of Congress.

Various Minnesotan suffrage organizations gather at the National Woman’s Party headquarters in Washington, DC, 1917. Records of the National Woman’s Party, Library of Congress.