Ζέλλιου-Μαστροκώστα Ε. 1996. Unpublished documents relating to the Macedonian struggle from the archives of S. G. Asteriadis and Georgios Tsondos. Makedonika. 30, 1 (Jan. 1996), 81–113. DOI:https://doi.org/10.12681/makedonika.241.