“I am of another world. I am John Carter, Prince of the House of Tardos Mors, Jeddak of Helium. Perchance some faint rumour of me may have leaked within the confines of your hellish abode.”
1913 January–May, Edgar Rice Burroughs, “The Gods of Mars”, in The All-Story, New York, N.Y.: Frank A. Munsey Co.; republished as “Thuvia”, in The Gods of Mars, Chicago, Ill.: A[lexander] C[aldwell] McClurg & Co., 1918 September, page 61