Sheet music book (Fallout 3)

The Sheet Music Book is an item that you can bring to Agatha. Your reward will be Blackhawk.

Locations
There are 6 in Fallout 3:


 * Vault 92; Found in the Living Quarters. It is in the bathroom of the men's quarters. Inside the closed bathroom stall. Behind the toilet.
 * Arlington Library; Found in the children's section of the library. Past the Firehose Box. Go right. Past the Nuka Cola Machine. In the first room you see enter. In the right cubicle by a music stand on the floor.
 * The National Archives; Found in the first room in the Archive Sub-Basement, when not entering from the lift with Sydney. The Room is full of books and broken metal shelves, Music paper is on the bottom shelf of the west wall.
 * Springvale School; Enter The school through the front entrance, from there turn right and you'll enter a class room with a few stacks of desks, and a couple of beds. Head to the flipped over teacher's desk. it should be right on the ground behind it,(It will be on the desk where you can only see from behind) but it may take a few seconds of looking.
 * The Statesman Hotel; Found on the roof, near the music stands and chairs.
 * Roosevelt Academy; Found in the Arts and Athletics hall on the stage near the music stands.