Which preposition to use with sizar

of Occurrences 4%

I think that I was sent for purposely from Colchester to Playford, and on March 6th, 1819, I rode in company with Mr Clarkson from Playford to Sproughton near Ipswich to be examined by the Rev. Mr Rogers, incumbent of Sproughton, an old M.A. of Trinity College; and was examined, and my certificate duly sent to Mr Hustler; and I was entered on Mr Hustler's side as Sizar of Trinity College.

at Occurrences 1%

We know that Spenser was a sizar at Cambridge, that is, one of those students who, to quote Macaulay, "had to perform some menial services.

for Occurrences 1%

"On May 1st Mr Dobree, the head lecturer, sent for me to say that he appointed me head-lecturer's Sizar for the next year.

Which preposition to use with  sizar