1) On top of the bookcase on the ground floor of the Ministry.
2) Healer Bernard's room, behind the desk, on the floor.
3) Top floor of Chez Chanelle, in a corner behind display case... I think.

1-1
2-6
3-8


I'd like to close by quoting Bellegar's famous last rhyme:

"Cursed be the mother that bred thee!
The wench must have been a hell-spawned banshee!"