The text of A Princess of Mars is originally from an etext prepared by thousands of volunteers and stored on Project Gutenberg. See http://www.gutenberg.org/etext/62 for that original. This version has been modified from that original in order to present it for easy editing and viewing. Some obvious errors have also been corrected, though as I don’t have an original to verify from I may have added in some of my own in doing so.
“It is not so easy as people think to be a free man.”—Albert Camus