Carti Filozofie, logica
Intuitionismul lui Henri Bergson
Clara Dan
Introduction a la philosophie
Karl Jaspers
Introduction a la logique
Theophile Corydalee
Introducere moderna in filozofia moralei
Alan Montefiore
Introducere in ontologia generala
Calina Mare
Introducere in noetica umana (dedicatie)
Razus Th. Mircea
Introducere in metafizica
Ion Petrovici
Introducere in metafizica
I. Petrovici
Introducere in logica, 2 vol.
Petre Botezatu
Introducere in logica rezonantei
Stefan Odobleja
Introducere in logica
Petre Botezatu
Introducere in logica
Nae Ionescu
