Columbia subject headings:
Kazanskīĭ ui͡ezd (Russia)--History--Sources.
Kazanʹ (Russia)--History--Sources.
Harvard subject headings:
Kazanskīĭ ui︠e︡zd (Russia)--History--Sources.
Kazanʹ (Russia)--History--Sources.
Princeton subject headings:
Kazanskīĭ ui︠e︡zd (Russia)--History--Sources.
Kazanʹ (Russia)--History--Sources.