Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Georgiev, Velichko","The bulgarian intellectuals and the national cause in World War One : the union of the bulgarian scholars, writers and artists 1917-1918",,Macedonian Scientific Institute,2000,Macedonian library,,9548187507,,https://cir.nii.ac.jp/crid/1130282272807809152