Labanauskienė, Danutė. 1995. “The Role of Prof. Ignas Jonynas in Completing and Buying up the Historical Literature for Kaunas Vytautas Magnus University at 1926–1933”. Knygotyra 28 (21): 113–120. https://www.journals.vu.lt/knygotyra/article/view/30118.