[3][better source needed] Also in 1941, Reyes-Calderón visited Guatemala at the invitation of Aida Doninelli to study at the Conservatorio Nacional de Música.
[4][better source needed] Reyes-Calderón came to the United States in 1942 and within two weeks she met Mabel Vernon, who worked at the Inter-American Commission of Women and established the People's Mandate Committee.
[citation needed] Reyes-Calderón prepared audio-visual materials for the National Woman's Party and the British and American women's suffrage movements.
The completed projects are A Meeting at the Cemetery, Roots of Suffrage, Alice Morgan Wright, Sculptor, Suffragist, a tribute to Mabel Vernon, Our Friend Alma Lutz, and information about other leaders of the movement.
[10] She wrote Letras y Encajes; Revista Femenina al Servicio de la Cultura (Letters and Lace; Feminine Magazine at the Service of Culture) in 1954.
[15] They used to spend time in the summer at Highmeadow, biographer Alma Lutz and Marguerite Smith's country home in Berlin, New York, who were good friends from the National Woman's Party.
[17] Several documents are also held at Georgetown University[18] and in the Amelia Roberts Fry Collection of the Alice Paul Institute in Mount Laurel, New Jersey.