Okay, this is by now an old thread but I thought I'd update it, if that could be of any help. I've filled in some of the blanks from the reply above.
Vicar Max's Quarters
Pocketwatch (Phineas' secret lab)
Nyoka's Quarters
Snake skin (Roseway, locked house near the main gate of Roseway)
Ellie's Quarters
Medical Journals (Auntie Biotics lab, top floor, on a table in the central room)
Felix's Quarters
Terror on Monarch poster (Botanical lab, Edgewater)
Tossball 1 (Fallbrook, Monarch, near Westley Alexander)
Tossball 2 (Scylla, close to where you find SAM's decorative lights)
"Danger!" sign (Raptidon pen, Aunt Cleo's covert lab, Roseway)
Dissident magazine (this is an item that Felix brings with him to the Unreliable)