The Gods of Mars - Chapter-indexed HTML text. Project Gutenberg edition. - http://www.cs.cmu.edu/People/rgs/gmars-table.html
Gods Of Mars - E-text at Project Gutenberg. - http://www.gutenberg.org/etext/64
Literature Network: The Gods of Mars - Chapter indexed HTML of the complete text. Includes a search feature. - http://www.online-literature.com/edgar_rice_burroughs/gods_mars/
OFCN Bookshelf: The Gods of Mars - Chapter-indexed HTML text of the work. - http://ofcn.org/cyber.serv/resource/bookshelf/gmars11/