Two drawings of female models by Victor Bergdahl who was the first in Sweden to make animated cartoons, here's a link to a biography on Lambiek.net.
Click here to see two drawings for sale on Ebay.
Link to an article published for the Eksjo Animation Festival.
Victor Bergdahl - IMDB page, list of films.
Animations of humans on the web
Links to Muybridge's studies of movement
Studies of humans walking
The Animation Book: A Complete Guide to Animated Filmmaking--From Flip-Books to Sound Cartoons to 3- D Animation