Columbia subject headings:
Harvard subject headings:
Coptic manuscripts (Papyri)--Germany--Heidelberg.
Coptic manuscripts (Papyri)--Germany--Trier.
Manuscripts, Greek (Papyri)--Germany--Heidelberg.
Manuscripts, Greek (Papyri)--Germany--Trier.
Princeton subject headings:
Coptic manuscripts (Papyri)
Manuscripts, Greek (Papyri)
Manuscripts--Germany.
Nepheros--Archives.