 The company holds the rights to the literary works of Burroughs that are still protected by copyright (a number of Burroughs' early works have passed out of copyright and consequently are in the public domain).Burroughs was one of the first artists to incorporate, which he did for tax reasons and for more control over his works.Burroughs' books were published through the company from 1931 ("Tarzan the Invincible") through 1948 ("Llana of Gathol"), with one additional title ("I Am a Barbarian") appearing in 1967.