Columbia subject headings:
Mohler, Armin, 1920---Correspondence.
Political scientists--Germany--Correspondence.
Schmitt, Carl, 1888-1985--Correspondence.
Harvard subject headings:
Mohler, Armin, 1920---Correspondence.
Political science--Germany--History--20th century
Political science--Philosophy--History--20th century
Political scientists--Germany--Correspondence.
Schmitt, Carl, 1888-1985--Correspondence.
Princeton subject headings:
Mohler, Armin, 1920---Correspondence.
Political science--Germany--History--20th century.
Political science--Philosophy--History--20th century.
Political scientists--Germany--Correspondence.
Schmitt, Carl, 1888-1985--Correspondence.