Legal theory and jurisprudence -- Integrative jurisprudence -- Plato's legal philosophy -- Unification of political and legal theory -- Authority -- Culture, comparative law, and jurisprudence -- American tendencies in legal philosophy and the definition of "law" -- The progress of American jurisprudence, 1906-1956 -- Legal classification -- Causation -- Crime as social reality -- Federal criminal procedure -- Science and reform in criminal law -- Revision of criminal law -- Psychiatry and criminal responsibility