Zagorodniuk, I. and Parkhomenko, V. 2019. Boris Valkh and the development of zoology and museology in the East of Ukraine. The Journal of V.N.Karazin Kharkiv National University. Series «Biology». 31, 31 (Feb. 2019), 72-98. DOI:https://doi.org/10.26565/2075-5457-2018-31-8.