Columbia subject headings:
Harvard subject headings:
Koltakova, M. N. (Marii︠a︡ Nikolaevna)
Women--Soviet Union--Biography.
Working class women--Soviet Union--Biography.
Princeton subject headings:
Koltakova, M. N. (Marii︠a︡ Nikolaevna)
Women--Soviet Union--Biography.
Working class women--Soviet Union--Biography.