Which preposition to use with reiterations

of Occurrences 42%

He had always been a Protestant, with an English name, educated in England, so the reiteration of these facts, very much exaggerated and leading up to the conclusion that on account of his birth and education he couldn't be a convinced French Republican, didn't affect him very much.

through Occurrences 1%

She has been at a séance; she has broken her promise," sang in perpetual reiteration through his brain.

Which preposition to use with  reiterations