Columbia subject headings:
Germany--Politics and government--1918-1933--Pictorial works.
Germany--Politics and government--1933-1945--Pictorial works.
National socialism--Pictorial works.
Postcards--Germany.
Harvard subject headings:
Germany--Politics and government--1918-1933--Pictorial works.
Germany--Politics and government--1933-1945--Pictorial works.
National socialism--Pictorial works.
Postcards--Germany.
Princeton subject headings:
Germany--Politics and government--1918-1933--Pictorial works.
Germany--Politics and government--1933-1945--Pictorial works.
National socialism--Pictorial works.
Postcards--Germany.