Columbia subject headings:
Avesta. Yasna. Haptanhāiti--Commentaries.
Zoroastrianism.
Harvard subject headings:
Avesta. Yasna. Haptanhāiti--Commentaries.
Zoroastrianism.
Princeton subject headings:
Avesta. Yasna. Haptanhāiti--Commentaries.
Zoroastrianism.