Which preposition to use with dissectors

in Occurrences 1%

He felt the chagrin of the army of unpublished novelists who lay their hearts bare on the stone slab of the dissectors in a publisher's office.

of Occurrences 1%

We have hitherto seen only the keen, fearless dissector of fraud and hypocrisy; we are now to contemplate a circumspect alarmist, who dreads to call things by their right names for fear of unpleasant consequences.

to Occurrences 1%

Those who have visited the Royal College of Surgeons in London tell us of very exquisite anatomical preparations made by him while employed as Minute Dissector to that institution.

Which preposition to use with  dissectors