The first two instalments of Dan Recchia’s one-page strip, “Steel Souls,” featured below were published in Hot Stuf’ #6 (1977); the third was published in Hot Stuf’ #7 (1978); and the fourth was published in Jasia Reichardt, Robots: Fact, Fiction, and Prediction (Penguin Books, 1978).
“Steel Souls” did not appear in any other issues of Hot Stuf’, but as the caption to the strip published in Robots seems to indicate, other unpublished instalments of the strip may exist…
Ragged Claws Network 
There’s a fourth episode of Steel Souls reprinted in either The Robot Book by Robert Malone or Robots by Jasia Reichardt, I dont remember which.
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Thanks very much, Lily, for taking the time to share that information. I was able to borrow both of the books that you mentioned online. I found the “fourth episode” in Reichardt’s “Robots: Fact, Fiction, and Prediction,” and I have now added that strip to my post. 🙂
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