The Pirate of World's End

1978

Zarkon

1975

Weird Tales 3

1981

Imaginary Worlds

1973

By the Light of the Green Star

1974

The Volcano Ogre

1976

As the Green Star Rises

1975

Ylana of Callisto

1977

Thongor and the Dragon City

1966

The Spawn of Cthulhu

1971

Thongor and the Wizard of Lemuria

1965

Renegade of Callisto

1978

Jandar of Callisto

1972

Tolkien

A Look Behind The Lord of the Rings

1969

Hurok of the Stone Age

1981

The Thief of Thoth & …and Others Shall Be Born

1968

Conan the Wanderer

1968

The Quest of Kadji

1971

Conan

1967

Young Thongor

2012

Thongor Fights the Pirates of Tarakus

1970

Mad Empress of Callisto

1979

Found Wanting

1985

Star Rogue

1970

Darya of the Bronze Age

1981

The Immortal of World's End

1976

The Year's Best Fantasy Stories 3

1977

When the Green Star Calls

1973

Beyond the Gates of Dream

1969

Thongor Against the Gods

1967

Thongor at the End of Time

1968

The City Outside the World

1977

Kellory the Warlock

1984

Golden Cities, Far

1970

The Valley Where Time Stood Still

1974

Sky Pirates of Callisto

1973

Time War

1974

Zanthodon

1980

Dreams from R'lyeh

1975

Under the Green Star

1972

Black Legion of Callisto

1972

Journey to the Underground World

1979

Lankar of Callisto

1975

Thongor in the City of Magicians

1968

The Warrior of World's End

1974

Outworlder

1971

Lost World of Time

1969

Dragonrouge

1982

The Man Who Loved Mars

1973

The Enchantress of World's End

1975

In the Green Star's Glow

1976

The Hastur Cycle

13 Horror Tales Defining Hastur, the King in Yellow, Yuggoth, and the Dread City of Carcosa

1993

Callipygia

1988

Tara of the Twilight

1979

Zarkon, Lord of the Unknown, in The earth-shaker

1982

Giant of World's End

1969

Tower Of The Medusa

1969

Conan the Buccaneer

1971

Mind Wizards of Callisto

1975

Down to a Sunless Sea

1984

The Wizard of Zao

1978

Lovecraft

A Look Behind the Cthulhu Mythos

1972

The Barbarian of World's End

1977

Kesrick

1982