Potseluev, Evgeny L. “The Views of Nicholas Korkunov, Leon Petrażycki and Pitirim Sorokin on Violation of Law (the Second Half of the 19th — Early 20th Centuries)”. Pravovedenie 61, no. 6 (December 11, 2017): 120–154. Accessed May 5, 2024. https://pravovedenie.spbu.ru/article/view/6317.