Problems of jurisprudence -- The concept "valid law" -- The sources of law -- The judicial method (interpretation) -- The legal modalities -- The concept of rights -- Rights in rem and rights in personam -- The fundamental division of the law -- The operative facts -- Some features of the history of natural law -- Analysis and criticism of the philosophy of natural law -- The idea of justice -- Utilitarianism and the chimera of social welfare -- Science and politics -- The province and task of legal politics -- Possibility of legal politics : between fate and utopia -- The role of the legal consciousness in legal politics.