Title: Ri︠a︡zanskai︠a︡ zemli︠a︡ /
Authors: Mongaĭt, A. L. 1915-1974.
Publisher: Izd-vo Akademii nauk SSSR,
Year: 1961
Subjects: Ri︠a︡zanskai︠a︡ oblastʹ (Russia) History.; Ri︠a︡zanskai︠a︡ oblastʹ (Russia) Antiquities.