Helpful list of collectible Diaries and Weapon Stations in the Persephone Outer map area of BioShock 2. Checklist that saves your progress - plus video locations to help you locate them!
The first room you come across on your right (after walking down the long hall)
In Lamb's office, just past the switch
In front (to the left) of the big statue of the big daddy/sister
Right next to the big sister helmet
Under Eleanor's bed in the Quarantine Chamber.
Persephone Outer - on your left as you enter though the tunnel/hall, you can't miss it