Frank L. Packard
3 appearances across 3 restored issues — every one readable in full, free.
The Blue Book Magazine, December 1919 — 1919 “The White Moll” (serial) · p.70 Read the full issue (216 pages) → 
Argosy All-Story Weekly, February 5, 1921 — 1921 “Pawned” (serial) · p.289 Read the full issue (146 pages) → 
All Story Magazine, March 3, 1917 — March 3, 1917 “The Sin That Was His” (serial) Read the full issue (192 pages) → Appearances are extracted from each issue's own printed contents page; entries we can't read confidently are withheld rather than guessed.