He wrote The Wilderness Trail a novel about the Hudson Bay area that was illustrated by Douglas Duer.
[1] It was made into the film The Wilderness Trail starring Tom Mix.
The story was originally published in Photoplay Magazine as Glory Road and was followed by a sequel titled Star of the North.
[2] Norval MacGregor directed the 1919 film version of Sullivan's 1914 novel Child of Banishment.
[3] Sullivan's story The Godson of Jeanette Gontreau was adapted into the 1918 film The Flames of Chance directed by Raymond Wells and starring Margery Wilson.