Columbia subject headings:
Trotsky, Leon, 1879-1940--Portraits.
Harvard subject headings:
Revolutionaries--Russia--Biography
Statesmen--Russia--Biography
Trotsky, Leon, 1879-1940--Caricatures and cartoons.
Trotsky, Leon, 1879-1940--Portraits.
Princeton subject headings:
Trotsky, Leon, 1879-1940--Portraits, caricatures, etc.