Columbia subject headings:
Harvard subject headings:
Kazanʹ (Russia)--20th century--Periodicals.
Muslims--Russia--20th century--Periodicals.
Tatars--Russia--20th century--Periodicals.
Princeton subject headings:
Kazanʹ (Russia)--History--20th century--Periodicals.
Muslims--Russia--History--20th century--Periodicals.
Periodicals.