E. A. Brininstool
3 appearances across 3 restored issues — every one readable in full, free.
Adventure Magazine Cover — 1918 “The Overland Freighters” (article) · p.179 Read the full issue (196 pages) → 
Adventure Magazine Cover, February 3, 1921 — 1921 “Belle Starr, Noted Female Desperado” (article) Read the full issue (200 pages) → 
Adventure, February 20, 1922 — 1922 “The Scourge of 1837” · p.120 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.