Columbia subject headings:
Concessions--Soviet Union.
Industries--Soviet Union.
Lenin, Vladimir Ilʹich, 1870-1924.
Harvard subject headings:
Concessions--Soviet Union.
Industries--Soviet Union
Lenin, Vladimir Ilʹich, 1870-1924
Princeton subject headings:
Concessions--Soviet Union.
Industries--Soviet Union.
Lenin, Vladimir Ilʹich, 1870-1924.