John Schoolcraft
4 appearances across 4 restored issues — every one readable in full, free.
Argosy All-Story Weekly, October 7, 1922 — 1922 “The Bird of Passage” (serial) Read the full issue (185 pages) → 
Argosy All-Story Weekly, Vol. 146 No. 4 — 1922 “The Battle of Passage” (serial) · p.366 Read the full issue (176 pages) → 
Argosy All-Story Weekly — 1923 “The Fourth Chum” (serial) Read the full issue (178 pages) → 
Argosy All-Story Weekly — 1923 “The Fourth Chum” (serial) · p.846 Read the full issue (176 pages) → Appearances are extracted from each issue's own printed contents page; entries we can't read confidently are withheld rather than guessed.