Title: K dvadt︠s︡atipi︠a︡tili︠e︡tīi︠u︡ ucheno-pedagogicheskoĭ di︠e︡i︠a︡telʹnosti Ivana Mikhaĭlovicha Grevsa
Subjects: Middle Ages, Church history, History
Places: Rome (Italy)
People: I. M. Grevs (1860-1941)
Time periods: Middle Ages, 600-1500