Title: Lev Krevza's A defense of church unity
Subjects: Catholic Church, Church history, Facsimiles, Manuscripts, Orthodox Eastern Church, Relations, Ruthenian Byzantine rite, Sources, Texts, Ukrainian Manuscripts, Ukrainian language, Union of Brest, Apologetics, History, Ukrainian Byzantine rite
Places: Ukraine
People: Zakharii︠a︡ Kopystensʹkyĭ (d. 1627)
Time periods: 1300-1700, 17th century