Concept art and story notes from the aborted 1973 European film adaptation of John Carter of Mars

Over at the new Fickle Pants website, there is an article about the aborted 1973 film adaptation of Edgar Rice Burroughs's "John Carter of Mars" character. Disney's version is set to open on March 9, but you can get a glimpse of what might have been if you click over there now. Below is a small sample:

In 1973, Peter Brown, who had been a member of the board of directors of Apple Records and