Columbia subject headings:
Manichaeism--History--Sources.
Parthian language--Texts.
Sogdian language--Texts.
Harvard subject headings:
Manichaeism--History--Sources.
Parthian language--Texts.
Sogdian language--Texts.
Princeton subject headings:
Manichaeism--History--Sources.
Parthian language--Texts.
Sogdian language--Texts.