Columbia subject headings:
Alēthēs logos--Criticism and interpretation.
Celsus (Platonic philosopher), active 180. Alēthēs logos--Criticism and interpretation.
Contra Celsum--Criticism and interpretation.
Origen. Contra Celsum--Criticism and interpretation.
Harvard subject headings:
Celsus, Platonic philosopher, active 180. Alēthēs logos.
Origen. Contra Celsum.
Princeton subject headings:
Celsus, fl.180.
Church history--Primitive and early church, ca. 30-600.
Origen. Contra Celsum.