Which preposition to use with keyholes

of Occurrences 13%

Still there were stones below, but what with fatigue and darkness, they were now compelled to stop, and Sandy went home, after promising to come as early as he could in the morning and call Willie, who was to leave the end of a string hanging out of the staircase window, whose other end should pass through the keyhole of his door and be tied to his wrist.

in Occurrences 6%

The man could fumble in his pockets with much discretion, and could always find his latch-key, for its shape was odd, but with that latch-key he could not find the keyhole in the door.

for Occurrences 2%

"Do you mean to say you were looking through the keyhole for company?

on Occurrences 2%

The doors of the sleeping-rooms are often fitted with a very ingenious lock, having a separate bolt and keyhole on each side, totally disconnected, and consequently, as they can only be opened from the same side they are fastened, no person, though possessed of a skeleton key, is able to enter.

than Occurrences 1%

The south-wind sighs a thousand times more mournfully through the keyhole than Thalberg can make it do on the piano.

with Occurrences 1%

Then, as Bosio's still graceful figure disappeared, he turned from the keyhole with a sigh, and let himself in.

Which preposition to use with  keyholes