For citations:

Strekalova N.V., Shcherbakov S.V. Employees of communications institutions of the Tambov Governorate in the second half of the 19th – early 20th centuries: number, staff, professional mobility. Tambov University Review. Series: Humanities. 2020;25(188):164-175. (In Russ.) https://doi.org/10.20310/1810-0201-2020-25-188-164-175. EDN: ogsqnt