Note: I picked "PR", "Business" and "Amaral" in the Junctions. If you picked "Hardline", "Personal" and/or "Hatch", the collectibles most certainly are different. Not sure about the location, but surely the content.
1 | Computers
Re: The Countermeasure
On the table, next to where Jack arrived
2 | Media
Next to where Jack arrived.
3 | Chronon Sources
At the far end of the pool, where the baby pool is.
4 | Documents
In the back room, where Jack met Beth. On the drawer unit.