| 25 | Religions of antiquity. Minor cults and religions |
| 251 | Ancient Egyptian religion |
| 252 | Religions of Mesopotamia |
252.1 | Sumerian |
252.3 | Babylonian and Assyrian |
| 252.5 | Elamite |
253 | Other West Asian religions |
253.1 | Hittites |
| 253.4 | Cana’anites and Phoenicians. Ugaritic religion |
| 253.6 | Aramean. Syrian religion |
| 253.8 | Pre-Islamic Arabian |
253.89 | Sabaean religion |
| 254 | Religions of Iran |
254.2 | Zoroastrianism ◇ 254.2-24 Avesta. Zend avesta |
| 254.25 | Parseeism / Parsiism (Zoroastrian community in India) ◇ 254.25-051 Parsis / parsees (member of the community) |
| 254.27 | Gabars (Iraqi community) |
| 254.4 | Manicheism |
| 254.6 | Mandeism |
| 255 | Religions of classical antiquity ⇨ (37) Italia. Ancient Rome and Italy ⇨ (38) Ancient Greece |
| 255.2 | Greek religion |
| 255.4 | Etruscan religion |
| 255.6 | Roman religion |
255.8 | Hellenistic religions |
255.83 | Mystery religions / Greco-Roman mysteries / sacred mysteries |
| 255.85 | Gnosticism |
256 | Central Asian religion. Shamanism |
257 | Religions of Europe |
257.2 | Paganism |
257.22 | Wicca. Witchcraft |
| 257.4 | Germanic religion |
| 257.6 | Celtic religion |
257.62 | Druidism |
| 257.7 | Slavic and Baltic religions |
| 257.8 | Nordic, Scandinavian religions |
| 258 | Religions of South and Central America. Pre-Columbian indigenous religions |
| 258.1 | Religion of the Mayas |
258.3 | Religion of the Aztecs |
| 258.5 | Religion of the Incas |
259 | Religions of other areas |
| 259.2 | North American Indian religion |
259.4 | Religions of African origin |
| 259.42 | Yoruba religion |
259.43 | Voudon. Voodoo religion |
| 259.44 | Rastafarianism |
| 259.6 | Australasian religions |
| 259.62 | Aboriginal religion |
| 259.7 | Religions of Oceania |