Columbia subject headings:
Agricultural economists--Soviet Union--Biography.
Chai︠a︡nov, A. V. (Aleksandr Vasilʹevich), 1888-1937--Correspondence.
Chai︠a︡nov, A. V. (Aleksandr Vasilʹevich), 1888-1937.
Moscow (Russia)--History.
Harvard subject headings:
Chai︠a︡nov, A. V. (Aleksandr Vasilʹevich), 1888-1937. Correspondence. Selections
Moscow (Russia)--Histrory.
Princeton subject headings: