Voronezhskoe duhovnoe uchilische |
Voronezhskaya Duhovnaya Seminariya |
1.Drevo Otkritaya Pravoslavnaya Entsiklopediya. Petrov Mihail Lukich. <https://drevo.info.ru/articles/13675351.html#t2> |
1.Vnuk Sprogis Viktor Genrihovich |
1. Arhiv UFSB RF po Rostovskoj oblasti. D.P-33085. |