Arthur O. Friel
3 appearances across 3 restored issues — every one readable in full, free.
Adventure Magazine Cover — 1922 “KING OF KEARSARGE” (serial) · p.4 Read the full issue (202 pages) → 
Adventure Magazine Cover — 1922 “Tupahn—the Thunderstorm” (novelette) · p.31 Read the full issue (200 pages) → 
Adventure Magazine, April 10, 1924 — 1924 “The King of No Man's Land” (serial) · p.88 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.