Mainly for my own reference, which rooms all the notes are located. Trying to avoid spoilers as much as possible.
 
 

Notes

01. Scrap of paper – Room the game starts in
 
02. Escapee note – While crawling through the ventilation
 
03. Medical Report – By first laser sensors
 
04. Survivor’s note – Mess Hall
 
05. Timeline – Mess Hall
 
06. Howard’s Research – Mess Hall
 
07. Password Changes – Mess Hall
 
08. Shelter Orientation – Mess Hall
 
09. Virus Research; Report #2 – Dr Swanson’s Room
 
10. Archaic History – Locker room in Residential Area 4
 
11. Computer manual – Computer Room
 
12. Temple Operation – Computer Room
 
13. Water Cave Operation – Computer Room
 
14. Greenland site – Computer Room
 
15. Cryo Manual – Infirmary
 
16. Chemical tests – Infirmary
 
17. Theoretic effects of controlled infection – Storage Room
 
18. Howard’s Final Words – Library
 
19. Wilbur Frisk Efficiency Report – Kennel
 
20. Antidote – Research Room
 
 

 
 
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