Which preposition to use with prelatism

in Occurrences 1%

Whenever by reading the Prelatical writings and histories, I have had an over dose of anti-Prelatism in my feelings, I then correct it by dipping into the works of the Presbyterians, and their fellows, and so bring myself to more charitable thoughts respecting the Prelatists, and fully subscribe to Milton's assertion, that "Presbyter was but Old Priest writ large.

Which preposition to use with  prelatism