Summa Theologica, Part I-II (Pars Prima Secundae) / From the Complete American Edition

Logic / Deductive and Inductive

Five Stages of Greek Religion

The History of the Decline and Fall of the Roman Empire

Christianity and Greek Philosophy / or, the relation between spontaneous and reflective thought / in Greece and the positive teaching of Christ and His / Apostles

The Practice and Theory of Bolshevism