In order of appearance:
- On the corpse of Jovi Merice during the quest Kill the Loose Tongue.
- In a locked chest behind a locked door in the Arl of Denerim's Estate (once you enter the hall it will be the door right in front of you).
- In a locked ornate chest in the master bedroom where you plant the papers.
- On an armor stand in the room with the Weapons Master and mabaris, before you exit the estate the second time.
- In a locked chest in the first room you can enter after the second portcullis in the dungeon.
- In a desk drawer inside the Chantry, right where you start.