I've created a list of all the diaries that can be found in Bioshock 1 & 2, including the Minerva's Den DLC for Bioshock 2.

https://docs.google.com/spreadsheets/d/1L6TuS5twDuRuVcGlSd2w3W5kU5yGYkQF/edit?usp=sharing&ouid=113551114042603459463&rtpof=true&sd=true