Credits for Clayton Cowles on Spider-Man related comics and items from our database.
| Aug 2013 | Avengers Assemble #16 (Lettering) |
| Sep 2013 | Avengers Assemble #17 (Lettering) |
| Jan 2014 | Avengers Assemble #21 (Lettering) |
| Mar 2014 | Cataclysm: The Ultimates #3 (Lettering) |
| Dec 2014 | Edge Of Spider-Verse #5 (Lettering) |
| Jan 2014 | FF (Vol. 2) #14 (Lettering) |
| Feb 2014 | FF (Vol. 2) #15 (Lettering) |
| May 2014 | Fantastic Four (Vol. 5) #2 (Lettering) |
| Dec 2013 | Marvel Knights: Spider-Man (Vol. 2) #1 (Lettering) |
| Jan 2014 | Marvel Knights: Spider-Man (Vol. 2) #2 (Lettering) |
| Feb 2014 | Marvel Knights: Spider-Man (Vol. 2) #3 (Lettering) |
| Mar 2014 | Marvel Knights: Spider-Man (Vol. 2) #4 (Lettering) |
| Apr 2014 | Marvel Knights: Spider-Man (Vol. 2) #5 (Lettering) |
| Sep 2014 | Original Sins #4 (Story 1) (Lettering) |
| May 2015 | Spider-Gwen #2 (Lettering) |
| Aug 2015 | Spider-Gwen #5 (Lettering) |
| May 2014 | The Superior Foes of Spider-Man #10 (Lettering) |
| Jun 2014 | The Superior Foes of Spider-Man #11 (Lettering) |
| Sep 2014 | The Superior Foes of Spider-Man #13 (Lettering) |
| Oct 2014 | The Superior Foes of Spider-Man #14 (Lettering) |
| Nov 2014 | The Superior Foes of Spider-Man #15 (Lettering) |
| Dec 2014 | The Superior Foes of Spider-Man #16 (Lettering) |
| Jan 2015 | The Superior Foes of Spider-Man #17 (Lettering) |
| Dec 2014 | Ultimate Spider-Man (UK Magazine) #282 (Lettering) |
| Feb 2015 | Ultimate Spider-Man (UK Magazine) #284 (Lettering) |
| Mar 2015 | Ultimate Spider-Man (UK Magazine) #285 (Lettering) |
| Aug 2015 | Ultimate Spider-Man (UK Magazine) #293 (Lettering) |
| Sep 2015 | Ultimate Spider-Man (UK Magazine) #294 (Lettering) |
| Sep 2015 | Ultimate Spider-Man (UK Magazine) #295 (Lettering) |
| Oct 2015 | Ultimate Spider-Man (UK Magazine) #296 (Lettering) |
| Dec 2015 | Ultimate Spider-Man (UK Magazine) #298 (Lettering) |
| Dec 2015 | Ultimate Spider-Man (UK Magazine) #299 (Lettering) |
| Jan 2014 | Uncanny Avengers #14 (Lettering) |
| Feb 2014 | Uncanny Avengers #15 (Lettering) |
| Apr 2014 | Uncanny Avengers #17 (Lettering) |