Title: Ent︠s︡yklika do dostoĭnykh brativ patrii︠a︡rkhiv, prymativ, arkhyi︠e︡piskopiv, i︠e︡pyskopiv, ta inshykh mist︠s︡evykh ordynariïv, shcho v myri ta zlut︠s︡i z Apostolʹsʹkym Prestolom
Subjects: Ruthenian Byzantine rite, Church history, Papal Encyclicals, Catholic Church, Union of Brest
Places: Ukraine