For citations:

Galperina I.G., Gorshkova N.V. Historian, Archivist, Bibliographer: P.A. Zaionchkovskij and the Russian State Library. Bibliotekovedenie [Russian Journal of Library Science]. 2019;68(3):267-275. (In Russ.) https://doi.org/10.25281/0869-608X-2019-68-3-267-275