Cogito, Ergo Sum

Acid Bath Garson Bill

Operation Lorelie Salton William P

Houlihan's Equation Sheldon Walter J

The Hoofer Miller Walter M

The Pygmy Planet Williamson Jack

Foundling on Venus De Courcy John

The Great Dome on Mercury Zagat Arthur Leo

Dream Town Slesar Henry

G-r-r-r...! Locke Robert Donald

It's All Yours Merwin Sam

Mutineer Shea Robert

Astounding Stories of Super-Science July 1930 Various