Sribnyak, I. “The Cultural and Educational Group of Ukrainian Officers Held As Prisoners of War in Josefstadt Camp in Austria (August 1917 – February 1918)”. Problems of World History, no. 2 (December 1, 2016): 187–202. Accessed May 5, 2024. https://journal.ivinas.gov.ua/pwh/article/view/118.