Sulyak Sergey G., Danilets Ju., Sulyak Sergey G., Danilets Ju. «Father Kassian bogatyrets at the second viennese trial» // Rusin Journal Library 2016. №1 (4) C.8-15
Mirovich P.D. «An apologist of orthodoxy before a viennese military court. on the 100th birthday of mitred right reverend DR. Kassian Dmitrievich Bogatyrets (1868-1968)» // Rusin Journal Library 2016. №1 (4) C.75-80
Pashaeva Nina Mikhailovna «Review of the concluding address and last word of K.D. Bogatyrets at the second viennese trial 1916-17 sent to the editorial office of the "Slavic archive"» // Rusin Journal Library 2016. №1 (4) C.83-86
