Which preposition to use with canonists

of Occurrences 3%

To which he cuttingly replied "And ye, are ye canonists of the better, the ancient time?"

on Occurrences 1%

The way in which the most important muftî places are filled and above all the position which the head-muftî of the Turkish Empire, the Sheikh-ul-Islâm, holds at any particular period, may well serve as a touchstone of the influence of the canonists on public life.

Which preposition to use with  canonists