Will McMorrow
3 appearances across 3 restored issues — every one readable in full, free.
Argosy All-Story Weekly — 1927 “Thundering Dawns” (serial) Read the full issue (168 pages) → 
Argosy All-Story Weekly, February 12, 1927 — 1927 “Thundering Dawns” (serial) · p.7 Read the full issue (168 pages) → 
Argosy All-Story Weekly, Vol. 189, No. 4 — 1927 “King's Khaki” (serial) · p.533 Read the full issue (180 pages) → Appearances are extracted from each issue's own printed contents page; entries we can't read confidently are withheld rather than guessed.