F. R. Buckley
4 appearances across 4 restored issues — every one readable in full, free.
The Blue Book Magazine, January 1923 — 1923 “Down Again” · p.84 Read the full issue (212 pages) → 
Adventure Magazine Cover — 1924 “Bianca Cappello Early Italian History” (article) · p.149 Read the full issue (196 pages) → 
Adventure Magazine Cover, November 10, 1924 — 1924 “The Primitive Method” · p.94 Read the full issue (194 pages) → 
The Frontier, May 1926 — 1926 “The Canyon of the Green Death” · p.8 Read the full issue (115 pages) → Appearances are extracted from each issue's own printed contents page; entries we can't read confidently are withheld rather than guessed.