Co-operation, in philosophical studies, [30].

Correlatives, [388].

Corruptio et generatio, [71], [186].

Cosmology, [16], [19], [285], [309], [364], [388], [393].

Cousin, [301], [387].

Creatio ab aeterno, [89], [328].

Criteriology, v. [Knowledge, theory of].

Dante, [434] n.