Mujeres Libres was anarchist women’s union co-founded by Lucía Sánchez Saornil, Mercedes Comaposada and Amparo Poch Gascón. At its peak, the organization had 20,000 affiliates. In 1933, Sánchez was appointed the Secretary of Confederación Nacional del Trabajo (CNT), and worked on integrating women and women’s needs into the organization; she was prevented from doing so though because of the patriarchy baked into the system and sexist men working to protect their own entrenched interests. This was the catalyst for her co-founding the organization. They had an office and library at Plaza Cataluña, 4. There is no plaque or anything else to indicate the organization once was there. The current building is a mixed use commercial and residential building.
Instituto de Educación Profesional de la Mujer, located on Calle del Pinar, was a school designed to prepare women for jobs outside the home. These included typing, shorthand, childcare and hygiene. Among the students who attended the school was Gloria Fuertes, who enrolled in 1931 at the age of 14.