For citations:

Samarin A.Yu. “I Continue to Successfully Replenish My Book Collection”: Letters of D.V. Ulyaninsky to A.V. Selivanov. Part 1: 1901—1908. Bibliography and Bibliology. 2024;(5):65-90. (In Russ.) https://doi.org/10.25281/2411-2305-2024-5-65-90