Prysyazhniuk, Y. Review of Book: Correspondence of Mykhailo Hrushevsky. Vol. 7: Correspondence of Mykhailo Hrushevsky With Oleksandr Barvinsky / Forming by V. Telvak, M. Dyadyuk; Ed. By I. Gyrych, A. Atamanenko. Lviv; Kyiv; New York; Ostrog, 2019. 208 P. ІН 2020.