イスコラト
"Iskolat", Great Soviet Encyclopedia
Zile, Zigurds L. (1977). “Legal Thought and the Formation of Law and Legal Institutions in the Socialist Soviet Republic of Latvia, 1917–1920” (PDF). Journal of Baltic Studies 8 (3): 195–204. http://www.informaworld.com/openurl?genre=article&issn=0162%2d9778&issue=3&spage=195&volume=8 2007年7月10日閲覧。.
Ezergailis, Andrew (1983). The Latvian Impact on the Bolshevik Revolution: The First Phase: September 1917 to April 1918. East European Monographs no. 144. Boulder: East European Monographs. ISBN 088033035X. OCLC 61541087