Which preposition to use with reflexives

in Occurrences 6%

Here it is the Hithpael conjugation, which is reflexive in its force, and, like the middle voice in Greek, represents what an individual does for himself; or in his own concerns; and should manifestly have been rendered, ye shall offer yourselves for sale.

of Occurrences 1%

One, possessive and reflexive of, 56-57.

Which preposition to use with  reflexives