David Fox
3 appearances across 3 restored issues — every one readable in full, free.
Argosy All-Story Weekly, April 19, 1924 — 1924 “The Handwriting on the Wall” (serial) Read the full issue (172 pages) → 
Argosy All-Story Weekly — 1924 “The Handwriting on the Wall” (serial) · p.733 Read the full issue (176 pages) → 
Argosy All-Story Weekly, May 3, 1924 — 1924 “The Handwriting on the Wall” (serial) Read the full issue (186 pages) → Appearances are extracted from each issue's own printed contents page; entries we can't read confidently are withheld rather than guessed.