* https://archive.org/stream/galaxymagazine-1954-11/Galaxy_195...
* https://archive.org/stream/galaxymagazine-1959-12/Galaxy_195...
My other favorite is Watchbird:
https://archive.org/stream/galaxymagazine-1953-02/Galaxy_195...
Lot's of his other stories were published in the Galaxy.
See https://en.wikipedia.org/wiki/Robert_Sheckley_short_stories_...
The man on the cover is wearing one of those mirrors on his forehead that you often see in older photos of doctors. Thanks to Google and Wikipedia, I can now report what it is called ("head mirror") and what it was used for (to provide illumination for ear, nose, and throat exams). [1]
* one I found that I'll read: https://archive.org/details/New_Worlds_171v50_1967-03
There's something about this era that I've always liked. Maybe because these old pulps were my first lesson that scifi =/= space opera.