Columbia subject headings:
Apologetics--Early works to 1800--Concordances.
Epistle to Diognetus--Concordances.
Greek language, Hellenistic (300 B.C.-600 A.D.)--Glossaries, vocabularies, etc.
Harvard subject headings:
Apologetics--Early works to 1800--Concordances.
Epistle to Diognetus--Concordances.
Greek language, Hellenistic (300 B.C.-600 A.D.)--Glossaries, vocabularies, etc.
Princeton subject headings:
Apologetics--Early works to 1800--Concordances.
Epistle to Diognetus--Concordances.
Greek language, Hellenistic (300 B.C.-600 A.D.)--Glossaries, vocabularies, etc.