This is Spicy Mystery Stories for July 1936, cover by H.J. Ward. The ISFDB entry for this issue is here. I found this versio of the cover at Pulp Covers.

This is Spicy Mystery Stories for June 1937, cover by H.J. Ward. The ISFDB entry for this issue is here. I found this version of the cover at Pulp Covers.

This is Spicy Mystery Stories for March 1936, cover by H.J. Ward. The ISFDB entry for this issue is here. I found this version of the cover in a post at Rough Edges written by James Reasoner, and I dated it using the index at Galactic Central.

This is Spicy Mystery Stories for February 1936, cover by H.J. Ward. The ISFDB entry for this issue is here. This image of the cover is an unusually large one (click through to see in larger size), which I found in, of all places, the comments section of this post at Door Flies Open.

In additional all the other unusual riches available for this issue, Pulp Covers has actually made available the “Bat Man” story online as a PDF document, in case you’re curious about what lurked beneath the lurid covers of a pulp magazine. See here.

This is Spicy Mystery Stories for December 1935, cover by another great, H.J. Ward. The ISFDB entry for this issue is here. I found this version of the cover on this Flickr page and dated it via the Galactic Central index.