Title: Prawosławie i unia za panowania Jana Kazimierza
First published: 1996
Subjects: Byzantine rite, Ruthenian, Catholic Church, Church history, History, Oriental rites, Orthodox Eastern Church, Relations, Ruthenian Byzantine rite, Union of Brest
Places: Poland
People: Jan II Kazimierz King of Poland (1609-1672)
Time periods: 17th century, John II Casimir, 1648-1668