Kenneth MacNichol
4 appearances across 4 restored issues — every one readable in full, free.
Argosy All-Story Weekly, February 4, 1922 — 1922 “The Night Shift” Read the full issue (178 pages) → 
Argosy All-Story Weekly — 1923 “Cave Man Stuff” · p.900 Read the full issue (196 pages) → 
Argosy All-Story Weekly, October 6, 1923 — 1923 “Cave Man Stuf” Read the full issue (196 pages) → 
Argosy All-Story Weekly, October 6, 1923 — 1923 “Cave Man Stuff” Read the full issue (196 pages) → Appearances are extracted from each issue's own printed contents page; entries we can't read confidently are withheld rather than guessed.