Young Thongor

2012

The Hastur Cycle

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

1993

Callipygia

1988

Horror Wears Blue

1987

Mandricardo

1987

Found Wanting

1985

Down to a Sunless Sea

1984

Kellory the Warlock

1984

Eric of Zanthodon

1982

Kesrick

1982

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

1982

Dragonrouge

1982

Darya of the Bronze Age

1981

Weird Tales 3

1981

Hurok of the Stone Age

1981

Zanthodon

1980

Journey to the Underground World

1979

Tara of the Twilight

1979

Mad Empress of Callisto

1979

The Pirate of World's End

1978

Renegade of Callisto

1978

Conan the Swordsman

1978

The Wizard of Zao

1978

The Year's Best Fantasy Stories 3

1977

The City Outside the World

1977

The Barbarian of World's End

1977

Ylana of Callisto

1977

The Immortal of World's End

1976

In the Green Star's Glow

1976

The Volcano Ogre

1976

The Enchantress of World's End

1975

Dreams from R'lyeh

1975

As the Green Star Rises

1975

Lankar of Callisto

1975

Mind Wizards of Callisto

1975

Zarkon

1975

Zarkon, Lord of the Unknown in The nemesis of evil

A case from the files of Omega

1975

Time War

1974

The Warrior of World's End

1974

By the Light of the Green Star

1974

The Valley Where Time Stood Still

1974

When the Green Star Calls

1973

The Man Who Loved Mars

1973

Sky Pirates of Callisto

1973

Imaginary Worlds

1973

The Black Star

1973

Jandar of Callisto

1972

Black Legion of Callisto

1972

Under the Green Star

1972

Lovecraft

A Look Behind the Cthulhu Mythos

1972