Columbia subject headings:
Harvard subject headings:
Frankfurt am Main (Germany)--History--20th century.
Germany--History--1933-1945.
Germany--Politics and government--1933-1945.
Heingartner, Robert W. (Robert Wayne), 1881-1945--Diaries.
National socialism--History.
National socialism.
Princeton subject headings:
Diaries.
Frankfurt am Main (Germany)--History--20th century.
Germany--History--1933-1945.
Germany--Politics and government--1933-1945.
Heingartner, Robert W. (Robert Wayne), 1881-1945--Diaries.
National socialism.