Columbia subject headings:
Internment camps--Soviet Union--Pictorial works.
Nazi concentration camps--Soviet Union--Pictorial works.
Political prisoners--Soviet Union--Pictorial works.
Soviet Union--History--1925-1953--Pictorial works.
Soviet Union--Social conditions--Pictorial works.
Harvard subject headings:
Princeton subject headings:
Internment camps--Soviet Union--Pictorial works.
Political prisoners--Soviet Union--Pictorial works.
Soviet Union--History--1925-1953--Pictorial works.
Soviet Union--Social conditions--Pictorial works.