For citations:

Myakisheva E.A. Peculiarities of social-demographic indices and professional composition of Tambov, Voronezh and Ryazan provinces in the middle of 19th century. Tambov University Review. Series: Humanities. 2018;23(171):124-135. (In Russ.) https://doi.org/ 10.20310/1810-0201-2018-23-1(171)-124-135