Simonetti, Manlio (Personal Name)
Hippolytus, Antipope. Le benedizioni di Giacobbe, 1982: title page (Manlio Simonetti)
LC data base, July 22, 1983 (hdg.: Simonetti, Manlio)
Quellen, Auslegungen, Perspektiven : internationale theologische Reflexionen der Premio-Ratzinger-Preisträger, 2015: page 262 (Manlio Simonetti; born 1926; Dr. phil.; taught church history at the Università degli studi di Roma "La Sapienza" until 2001)
L'osservatore romano, dated November 2, 2017, viewed online on September 20, 2018 (È morto Manlio Simonetti; he died today [November 2, 2017] in Rome) http://www.osservatoreromano.va/it/news/e-morto-manlio-simonetti
Wikipedia, viewed September 20, 2018 (Manlio Simonetti; born May 2, 1926, in Rome; died November 2, 2017; Italian scholar in patristics and the history of Biblical interpretation; taught church history at the Università degli studi di Roma "La Sapienza", beginning in 1969)