Education and/or PhD in related fields (i.e. psychology, psychoanalysis, economy, law, pedagogy, philosophy, religion studies)

Miriam studied psychology and philosophy in Geneva, Switzerland at the Jean-Jacques-Rousseau Pedagogical Institute, where she earned her PhD.

Miriam studied theology and psychology for two semesters at the Sorbonne University in Paris.

Paula earned her PhD in Political Sciences at the University of Cologne in 1923

Dissertation project: "The economic and social conditions of Italian workers in Germany" ("Die wirtschaftliche und soziale Lage der italienischen Arbeiter in Deutschland. Ein Beitrag zur ausländischen Arbeiterfrage")

Ina studied Nationalökonomie and Law in Berlin and Zürich.
Title of her dissertation: 'Die wirtschaftliche und soziale Lage der italienischen Arbeiter in Deutschland: ein Beitrag zur ausländischen Arbeiterfrage'. Published 1916 in Karlsruhe.