If you have the patience, do 60 item pick-ups with a maxed-out weapon when you locate more ammo of the same type. Fire off one round and reload your weapon. By docking one bullet from your ammo reserve stock, you fulfill the "pick-up" condition. Repeat it 59 more times to unlock the Junk Collector 60/60 achievement.
Find the following Alma Dolls by searching the corresponding locations:
Underneath the staircase when you see a lock on a door when that has a psychic link behind the door break the lock. Head down until you see shotguns and then crouch and go underneath the staircase and you should see it.
Inside a house when you get out of the sewer
Next to a crate at the place where u destroy the 3rd memory (the toy gun) it should be there or inside where the first memory is (the little red pale) if not there then outside of there.