THE MASK OF CTHULHU (August Derleth/1st US pb/Lovecraft mythos)

The Survivor And Others By H P Lovecraft & August Derleth Ballantine Horror 1957

Vintage 1976 The Worlds Of Fritz Leiber 1964 PB ACE

The Fantastic Swordsmen L. Sprague de Camp 1967

The Day of the Dinosaur by L. Sprague & Catherine Crook de Camp (1985, HC/DJ)

A Gun for Dinosaur Other Imaginative Tales L Sprague de Camp Leaside East York

Lovecraft A Biography L Sprague De Camp 1975 1st ed

Other Worlds for July 1953 James McConnell, S.J. Byrne, L. Sprague de Camp