Which preposition to use with rerum

in Occurrences 3%

The part relating to England and Scotland was published, in Latin, in 1559 under a title as sonorous and impressive as the Roman office for the dead,Rerum in Ecclesia Gestarum Maximarumque per Europam Persecutionum Commentarii.

per Occurrences 1%

Ideoque merito æstimantur omnes vniuerso orbe aquæ dulces originem capere, à supradicto paradisi fonte, quamuis secundum distantiam maiorem vel minorem, et secundum naturas rerum per quas meant diuersos habere inueniuntur sapores, atque virtutes.

Which preposition to use with  rerum