The original course “General Theory of Law on the Basis of Soviet Legislation” (on the essence of objective and subjective law, the essence of legal relations and its elements, etc.), written by Doctor of Law, Professor Ya. M. Magaziner in 1925, is published for the first time in book version. The key ideas of the author presented in the course have not been devalued by time and organically fit into the world general theory of law. The course is supplemented by related articles, “Notes on Law” (1925) and “The Object of Law” (1957). For legal scholars, graduate students, law students, and anyone interested in the general theory of law.