Unknown August 1940 Swamp Thing Prototype UK Edition Pulp GD
Unknown March 1940
Blue Book Pulp / Magazine May 1940 Vol. 71 #1 VG/FN 5.0
Complete Western--May 1940--Pulp Magazine----G
SHADOW ORIGINAL HERO PULP MAY 1940 DEATH IN THE STARS
PULP: Unknown Pulp March 1940- Reign of Wizardry VG
