Columbia subject headings:
Architecture--Russia--History--19th century.
Architecture--Russia--History--20th century.
Kekushev, Lev Nikolaevich, 1862-1917.
Harvard subject headings:
Architects--Russia--Biography.
Architecture--Russia (Federation)--History--20th century
Architecture--Russia--History--19th century
Kekushev, Lev Nikolaevich, 1862-1917.
Princeton subject headings:
Architects--Russia--Biography.
Architecture--Russia--19th century.
Architecture--Russia--20th century.
Kekushev, Lev Nikolaevich, 1862-1917.