Columbia subject headings:
Family-owned business enterprises--Russia (Federation)--Kazanʹ--History.
Kazanʹ (Russia)--Commerce.
Merchants--Russia (Federation)--Kazanʹ--Biography.
Harvard subject headings:
Family-owned business enterprises--Russia (Federation)--Kazanʹ--History.
Kazanʹ (Russia)--Commerce--History.
Kazanʹ (Russia)--Commerce.
Merchants--Russia (Federation)--Kazanʹ--Biography.
Merchants--Russia (Federation)--Kazanʹ--History.
Princeton subject headings:
Kazanʹ (Russia)--Commerce--History.
Merchants--Russia (Federation)--Kazanʹ--History.