New comics links for my list:

Robot Comic Book Cover Gallery - the robot influence of comic book art in our western culture. (via Exclamation Mark)

Hooked! comic book about heroin abuse. Briefly distributed at NYC methadone clinics. (via Exclamation Mark)
Check also on the same site: Comics With Problems and Trapped! - comic book about drugs handed out to Columbia college.

The Gorilla Age of Comics: a collection of comics covers with gorillas published in the fifties and sixties, mostly DC Comics. (via Life In The Present)