John Carter of Mars
1. A Princess of Mars (1917)
     aka Under The Moons Of Mars
2. The Gods of Mars (1918)
3. The Warlord of Mars (1919)
4. Thuvia, Maid of Mars (1920)
5. The Chessmen of Mars (1922)
6. The Master Mind of Mars (1927)
7. A Fighting Man of Mars (1930)
8. Swords of Mars (1934)
9. Synthetic Men of Mars (1938)
10. Llana of Gathol (1948)
11. John Carter of Mars (1941)
The John Carter of Mars Collection (omnibus) (1999)

Mucker
1. The Mucker (1921)
2. The Return of the Mucker (1921)
     aka The Man without a Soul
3. The Oakdale Affair (1917)

Land that Time Forgot
1. The Land That Time Forgot (1924)
2. The People That Time Forgot (1918)
3. Out of Time's Abyss (1918)

Pellucidar
1. At the Earth's Core (1922)
2. Pellucidar (1923)
3. Tanar of Pellucidar (1929)
4. Tarzan at the Earth's Core (1930)
5. Back to the Stone Age (1937)
6. Land of Terror (1944)
7. Savage Pellucidar (1941)

Moon Trilogy
1. The Moon Maid (1923)
2. The Moon Men (1925)

Venus
1. Pirates of Venus (1934)
2. Lost on Venus (1933)
3. Carson of Venus (1937)
4. Escape on Venus (1946)
5. The Wizard of Venus (1970)

Beyond Thirty (1915)
     aka The Lost Continent
The Girl From Farris's (1916)
The Efficiency Expert (1921)
The Girl from Hollywood (1922)
Marcia of the Doorstep (1924)
The Cave Girl (1925)
The Eternal Lover (1925)
     aka The Eternal Savage
The Bandit of Hell's Bend (1926)
The Mad King (1926)
The Outlaw of Torn (1927)
The War Chief (1927)
The Monster Men (1929)
The Land of Hidden Men (1932)
     aka Jungle Girl
Apache Devil (1933)
The Rider (1937)
The Lad and the Lion (1938)
Deputy Sheriff of Commanche County (1940)
Beyond the Farthest Star (1941)
The Man Eater (1955)
I Am A Barbarian (1967)
Pirate Blood (1970) (writing as John Tyler McCulloch)

Science Fiction Classics (2001)
Tarzan of the Apes / Prisoner of Zenda (2006) (with Anthony Hope)
Captive of the Centaurianess / A Princess of Mars (2012) (with Poul Anderson)

Tarzan
1. Tarzan of the Apes (1912)
2. The Return of Tarzan (1913)
3. The Beasts of Tarzan (1914)
4. The Son of Tarzan (1915)
5. Tarzan and the Jewels of Opar (1916)
6. Jungle Tales Of Tarzan (1917)
     aka Tarzan's Jungle Tales
7. Tarzan the Untamed (1920)
8. Tarzan the Terrible (1921)
9. Tarzan and the Golden Lion (1923)
10. Tarzan and the Ant Men (1924)
11. The Tarzan Twins (1926)
12. Tarzan, Lord of the Jungle (1928)
13. Tarzan and the Lost Empire (1929)
14. Tarzan the Invincible (1931)
15. Tarzan Triumphant (1932)
16. Tarzan and the City of Gold (1933)
17. Tarzan and the Lion Man (1933)
18. Tarzan and the Leopard Men (1935)
19. Tarzan's Quest (1935)
20. Tarzan and the Forbidden City (1938)
21. Tarzan the Magnificent (1939)
22. Tarzan and the Foreign Legion (1947)
23. Tarzan and the Madman (1964)
24. Tarzan and the Castaways (1965)
Tarzan and the Tarzan Twins, with Jad-Bal-Ja, the Golden Lion (1936)

Tarzan 2 (with Joe R Lansdale)
The Lost Adventure (1995)

Brother Men: The Correspondence Of Edgar Rice Burroughs And Herbert T. Weston (2005) (with Herbert T Weston)

Tarzan Alive: A Definitive Biography of Lord Greystoke (1972) by Philip José Farmer
Barsoom (1976) by Richard A Lupoff
Master Of Adventure: The Worlds Of Edgar Rice Burroughs (1978) by Richard A Lupoff