Isaakij (Sergeev), Hierodeacon

1. The worship life of the Valaam Monastery in 1717–1782 according to available sources and its significance for the subsequent period, Theological Collection of Tambov Theological Seminary No. 3 (28) (2024)

2. Liturgical tradition of the Valaam Monastery: from 1989 to present, Theological Collection of Tambov Theological Seminary No. 2 (23) (2023)