Medieval cities : their origins and the revival of trade / by Henri Pirenne ; translated from the french by Frank D. Halsey. - Pirenne, Henri, 1862-1935. (OLS)http://pul/name/4858; Halsey, Frank D. (OLS)http://pul/name/14373 (Princeton University Press, 1974)

The five ways : St. Thomas Aquinas' proofs of God's existence / by Anthony Kenny. - Kenny, Anthony John Patrick. (OLS)http://pul/name/43317 (Routledge & Kegan Paul, 2003)
Contiene indice.
Bibliografia: p. [123]-126.