Douglas Grant
3 appearances across 3 restored issues — every one readable in full, free.
The Argosy, Vol. 90 No. 1 — 1917 “THE FIFTH ACE” (serial) · p.157 Read the full issue (200 pages) → 
Argosy All-Story Weekly, 4 February 1922 — 1922 “Two-Gun Sue” (serial) · p.8 Read the full issue (180 pages) → 
Argosy All-Story Weekly, February 4, 1922 — 1922 “Two-Gun Sue” (serial) Read the full issue (178 pages) → Appearances are extracted from each issue's own printed contents page; entries we can't read confidently are withheld rather than guessed.