Columbia subject headings:
Frankfurt school of sociology.
Institut für Sozialforschung (Frankfurt am Main, Germany)--History.
Social sciences--Research--United States.
Harvard subject headings:
Frankfurt school of sociology.
Institut für Sozialforschung (Frankfurt am Main, Germany)--History.
Social sciences--Research--United States
Princeton subject headings:
Frankfurt school of sociology.
Institut für Sozialforschung (Frankfurt am Main, Germany)--History.
Social sciences--Research--United States.