This statement derives confirmation from the Digest, where references are made to two works, De Castrensi Peculio and Quaestionum Libri VIII., of a Roman jurist named Tertullian, who must have flourished about 180 A.D.
In his writing Super potestate summi pontificis octo quaestionum decisions (1339-1342) Occam attacks the temporal supremacy of the pope, insists on the independence of kingly authority, which he maintains is as much an ordinance of.
Schmeisser, Die etruskische Disciplin vom Bundesgenossenkriege bis zum Untergang des Heidentums (1881), and Quaestionum de Etrusca discipline particula (1872); P. Clairin, De haruspicibus aped Romanos (1880).
His other works include Daemonum investigatio peripatetica (1580), Quaestionum medicaru y n libri ii.
(1593), De Metallicis (1596), and Quaestionum peripateticarum libri v.