@ObscurityofDCClub here’s Sherlock Holmes:
- Action Comics (1938) — Issue 283
- Booster Gold (2008) — Issue 6
- Captain Marvel, Jr. (1942) — Issue 2
- DC Special Series — Issue 8
- Detective Comics (1939) — Issues 444, 572, and 1027
- Eclipso — Issue 8
- Flash Comics — Issue 69
- Hellblazer — Issue 23
- Hit Comics — Issue 29
- Justice League Europe — Annual 2
- Kid Eternity (1946) — Issues 4, 8, and 10
- Kingdom Come — Issue 2
- League of Extraordinary Gentlemen (2000) — Issue 5 ***
- Lobo (1995) — Issue 17
- Planetary — Issues 11-13
- The Planetary Reader — One-Shot
- Sherlock Holmes — Issue 1
- Superboy (1964) — Issue 110
- Victorian Undead — All Issues
- Victorian Undead II: Sherlock Holmes vs. Dracula — All Issues
- Wildcats: Nemesis — Issue 6
- World’s Finest (1982) — Issue 279
*** All League of Extraordinary Gentlemen comics reference Sherlock Holmes, but he only ever appears in issue 5 of Vol 1.