Which preposition to use with carruthers

for Occurrences 1%

The creature at first was afraid of the pistol, and kept aloof; but seeing no fire issue from it, it came nigher and nigher, and seemed determined to have a scuffle with Carruthers for the possession of the thicket.

on Occurrences 1%

I heard Dr. Carruthers on Sunday afternoon.

with Occurrences 1%

Now, it is these sporangia of the Lepidodendroid plant Flemingites which were identified by Mr. Carruthers with the free sporangia described by Professor Morris, which are the same as the large sacs of which I have spoken.

Which preposition to use with  carruthers