When you have control of the car make the road until you reach the room where you get the Hotel Key.
On the left side of the room you will find the first Stephano.

Before fight with Edward, go into the door on the right. In this room you can get the second Stephano located over the piano.

Before obtaining the Rightwing Key, looking to the right, over the crates you can get the third Stephano.

In the bathroom where you get the Gramaphone Record, you can look at the shelf to obtain the fourth Stephano.

Near the end of the game, after meeting Hans and Walter, go to the entrance of the armory, then go into the door on the right side to reach the bathroom.
On the left side of the room you can get the fifth object which is above a small wall.




Congratulations and thank you to this guide. (Sorry if there is a typing error)