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This is The Spider for April 1939. I found this version of the cover at the Galactic Central index.
This is The Spider for April 1939. I found this version of the cover at the Galactic Central index.
This is The Spider for August 1938. I found this version of the cover via the Galactic Central Index.
This is The Spider for July 1938. I found this version of the cover at Pulpcovers.com.
This is The Spider for June 1938. I found this version of the cover at Pulpcovers.com. A slightly smaller cover in better condition can be found at this bondage index.
This is The Spider for April 1938. I found this version of the cover via the index at Galactic Central.
This is The Spider for February 1938, cover by John Newton Howitt. I found this version of the cover at Pulp Covers.
This is The Spider for October 1937, cover by John Newton Howitt. I found this version of the cover at this bondage index.
This is This Spider for May 1937, cover by John Newton Howitt. I found this version of the cover at Pulp Covers.
With more yellow peril and improbably bad pistol marksmanship, this is The Spider for April 1937, cover by John Newton Howitt. The version of the cover above is from Pulp Covers. The version from Galactic Central is smaller but cleaner and bit less color-washed.
This is The Spider for March 1937, cover by John Newton Howitt. I found this version of the cover at Pulp Covers.