The Internet Moving Images Archive is a must see collection of vintage film, with a special emphasis on silent newsreels, trade and industry video, and educational reels. Check out "One Got Fat" from Interlude films for some truly disturbing monkeychild action. 'Are You Popular?' (1947) from Coronet Educational Films is also a treat.
A group of children, all wearing ape masks, rides their bicycles to the park for a picnic. Along the way, all but one are eliminated for violating basic bike safety rules.