Fedorchenko, Oleh, AND Kaminskaya, Olena. " Forgotten officials: social and cultural characteristics of junior employees оf Odesa postal‑telegraphic districtаt at the end of the 19th – the beginning of the 20th century" Universum Historiae et Archeologiae = The Universe of History and Archeology = Універсум історії та археології = Универсум истории и археологии ISSN 2664-9950 (Print) ISSN 2707-6385 (Online) [Online], Volume 4 Number 1 (3 December 2021)