Coba jelasin Catatan dari Vito Volterra dong

. "Vito Volterra fifty years after his death" is detailed biographical survey paper on Vito Volterra, dealing mainly with scientific, philosophical and moral aspects of his personality.

. The commemorative address pronounced by Agostino Gemelli on the occasion of the first seance of the fourth academic year of Pontificial Academy of Sciences: it includes his commemoration of various deceased members.

. See also the review in American Scientist.