Petrazhytsky L.I. Introduction to the Study of Law and Morality. Emotional Psychology. In Russian (ask us if in doubt)/Petrazhitskiy L. I. Vvedenie v izuchenie prava i nravstvennosti. Emotsionalnaya psikhologiya. St. Petersburg Type Y.N. Erlich 1905. XIII, 1, 311 p. SKUalb5fe5c948a6971568.