Columbia subject headings:
Art͡sybyshev, Nikolaĭ, 1773-1841.
Chuvashia (Russia)--Biography.
Historians--Russia--Biography.
Harvard subject headings:
Art︠s︡ybyshev, Nikolaĭ, 1773-1841.
Chuvashia (Russia)--Biography.
Historians--Russia--Biography
Princeton subject headings:
Chuvashia (Russia)
Historians--Russia--Biography.