In 1927 journalist and feminist María Ríos Cárdenas commented on the relationship between cultural and economic forces when she wrote, “Woman, finding herself obliged to work, and as a logical consequence of the resulting moral and economic independence, has not obeyed this or that feminist doctrine. Feminism was born when women had already entered into the work force.” This paper takes Ríos Cárdenas’ argument regarding causality and examines women, work, and representations of office work in 1920s Mexico City. The essay shows that shifts in the earning power of the urban middle-class; women’s labor force participation; and, women’s educational experiences gave life to new ideas about women’s role in society. By examining the relationship between cultural and economic history, this essay offers a new perspective on the history of feminism in the historiography of Latin American women’s mobilization. In so doing, the essay also pays homage to Eric Van Young and his contributions to discussions of historical methods.