On the top floor, to the north of the compass, is the locked door that you need to open with your key. Inside, you will find a bunch of red lockers, cabinets, and drawers to loot from. There are also ...

Go to the rear of the container and you'll be able to search it, to find some old books. Stick them in your inventory — safe ...

Here's how to complete all three objectives for this multi-map quest.