Dave Smith.
Astounding Stories Pulp May 1935 Vol. 15 #3 FR
Astounding Stories Pulp Aug 1935 Vol. 15 #6 GD 2.0
Astounding Stories Pulp Jan 1935 Vol. 14 #5 VG- 3.5
Astounding Stories Pulp Nov 1935 Vol. 16 #3 GD
Astounding Stories Pulp Apr 1935 Vol. 15 #2 FN+ 6.5
Astounding Stories June 1937
