Columbia subject headings:
Architects--Soviet Union--Biography.
Architecture--Soviet Union--History.
Trot͡skiĭ, Noĭ Abramovich, 1895-1940.
Harvard subject headings:
Architects--Soviet Union--Biography.
Architecture--Soviet Union--History
Trot︠s︡kiĭ, Noĭ Abramovich, 1895-1940.
Princeton subject headings:
Architects--Soviet Union--Biography.
Architecture--Soviet Union--History.