John McColl
3 appearances across 3 restored issues — every one readable in full, free.
Droll Stories, October 1924 — 1924 “AND THEN I KNEW” (poem) Read the full issue (144 pages) → 
Argosy All-Story Weekly — 1925 “The Serenader” (poem) · p.394 Read the full issue (170 pages) → 
Argosy All-Story Weekly, November 28, 1925 — 1925 “A Radio Tragedy” (poem) · p.504 Read the full issue (172 pages) → Appearances are extracted from each issue's own printed contents page; entries we can't read confidently are withheld rather than guessed.