Acts of purification played an important role in Greco-Roman religion:
- Pollux on Purification: an overview of the vocabulary of purity and impurity.
- Hesiod & Proclus on Hand Washing (Works and Days 724): Why one should not make offerings with unwashed hands.
- Regarding Khernips: on (misconceptions about) the use of hand-washing water before sacrifice.
On the other hand, there were purification ceremonies performed for their own sake:
- [Work in progress]