Columbia subject headings:
Ri︠a︡zanʹ (Ri︠a︡zanskai︠a︡ oblastʹ, Russia)--Guidebooks.
Harvard subject headings:
Ri͡azanʹ (Russia)--Guidebooks.
Ri︠a︡zanʹ (R.S.F.S.R.)--Guidebooks.
Princeton subject headings: