"Crisis and reform. The Kyivan metropolitanate, the patriarchate of constantinople and the genesis of the union of brest", Borys A. Gudziak, Cambridge, Massachussets 1998 : [recenzja]

Acta Poloniae Historica, Tom 82 (2000) s. 213-217
Edward Opaliński , Borys A. Gudziak (aut. dzieła rec.)