Tarzan of the Apes
The Return of Tarzan
The Beasts of Tarzan
The Son of Tarzan
Tarzan and the Jewels of Opar
Jungle Tales of Tarzan
Tarzan the Untamed
Tarzan the Terrible
Tarzan and the Ant Men
The Tarzan Twins
Tarzan and the City of Gold
A Princess of Mars
The Gods of Mars
The Warlord of Mars
The Chessmen of Mars
The Master Mind of Mars
Pirates of Venus
Lost on Venus
The War Chief
Apache Devil
Jungle Girl
At the Earth's Core
Pellucidar
Tanar of Pellucidar
The Lad and the Lion
The Man-Eater
The Cave Girl
The Efficiency Expert
The Oakdale Affair
Beyond Thirty
The Land That Time Forgot
The Monster Men
The Mad King
Beware! The Scientist's Revolt
The Mucker
The Return of the Mucker
The Moon Maid
The Moon Men/The Red Hawk
The Outlaw of Torn
The Eternal Lover
The Girls From Farris's/H.R.H. The Rider