- Pahlavi language--Texts (41)
- Zoroastrianism (31)
- Avesta language--Texts (12)
- Avestan language--Texts (7)
- Zoroastrianism--Sacred books (3)
- Gujarati language--Texts (2)
- Iran--Civilization (2)
- Persian philology (2)
- Iran--Bibliography (1)
- Pahlavi literature (1)
- Tales--Iran (1)
- Zoroasrianism (1)
- Zoroastrianism--Catechisms and creeds (1)
- Zoroatrianism (1)