E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
A Russian sect; so called from the founder, Philip Pustoswiät. They are called Old Faith Men, because they cling with tenacity to the old service books, old version of the Bible, old hymn-book, old prayer-book, and all customs previous to the reforms of Nekon, in the 17th century.