Title
Audientiae Sanctissimi de rebus Ucrainae et Bielarusjae (1650-1850). Collegit,adnotavit, paravit editionemque curavit Athanasius G. Welykyj.
Notes
The documents, in Latin or Italian, are chiefly from the Acta of the Congrgatio de Propaganda Fide, the principal office participating in the audiences.