Columbia subject headings:
Hanseatic League--Commerce--Soviet Union.
Hanseatic League--Foreign relations--Soviet Union.
Soviet Union--Commerce--Hanseatic League countries.
Soviet Union--Foreign relations--Hanseatic League countries.
Soviet Union--Foreign relations--Teutonic Knights.
Teutonic Knights--Foreign relations--Soviet Union.
Harvard subject headings:
Hanseatic League--Commerce--Russia.
Livonia--Foreign relations--Russia.
Russia--Commerce--Hanseatic League.
Russia--Foreign relations--Livonia.
Russia--History--To 1533.
Princeton subject headings:
Hanseatic League--Commerce--Soviet Union.
Hanseatic League--Foreign relations--Soviet Union.
Soviet Union--Commerce--Hanseatic League.
Soviet Union--Foreign relations--Hanseatic League.
Soviet Union--Foreign relations--Teutonic Knights.
Teutonic Knights--Foreign relations--Soviet Union.