This yellow peril cover is from The Spider, September 1939 and was done by John Newton Howitt. I found it at Pulpcovers.com.
Pulp Parade #228: A precarious situation indeed
Tag Archives: John Howitt
Pulp Parade #221: An unusual level of violence, even for the pulps
This is The Spider for February 1938, cover by John Newton Howitt. I found this version of the cover at Pulp Covers.
Pulp Parade #220: Cannibal cult
This is The Spider for October 1937, cover by John Newton Howitt. I found this version of the cover at this bondage index.
Pulp Parade #219: I’m not sure how most of the people on this cover are still alive
This is This Spider for May 1937, cover by John Newton Howitt. I found this version of the cover at Pulp Covers.
Pulp Parade #217: Those gears will not preserve her head, guys
This is The Spider for March 1937, cover by John Newton Howitt. I found this version of the cover at Pulp Covers.
Pulp Parade #215: Commander Giant-Face is displeased
This is The Spider for January 1937, cover by John Howitt. I found this version of the cover at Pulp Covers.
Pulp Parade #212: Worst tanning salon ever
This is The Spider for August 1936, artist John Newton Howitt. I found this version at Pulp Covers.
Pulp Parade #204: Wheel of Death!
This is The Spider for November 1933. I found this cover at Wikimedia Commons, which gives the creator as John Newton Howitt.
Pulp Parade #85: Are two heads really better than one?
This is Horror Stories for December 1940, cover by John Howitt. The ISFDB entry for this issue is here. I found this version of the cover in this tumblr post at Everything is a Mask.
Pulp Parade #67: Girlsicles
This is Horror Stories for August-Septmber 1937, cover by John Howitt. The ISFDB entry for this issue is here. I found this version of the cover at the blog The Other Side.