Columbia subject headings:
Helmholzschule (Frankfurt am Main, Germany)--Faculty.
Helmholzschule (Frankfurt am Main, Germany)--History.
Helmholzschule (Frankfurt am Main, Germany)--Students.
Jewish students--Germany--Frankfurt am Main--Biography.
Jewish teachers--Germany--Frankfurt am Main--Biography.
Harvard subject headings:
Jewish students--Germany--Frankfurt am Main.
Jewish teachers--Germany--Frankfurt am Main.
Princeton subject headings: