Frederick Whittaker
5 appearances across 5 restored issues — every one readable in full, free.
Black Arrow, the Avenger — 1871 “The Mustang-Hunters: The Beautiful Amazon of the Hidden Valley” (serial) · p.2 Read the full issue (100 pages) → 
The Squaw Chief — 1878 “The Squaw Chief; Or, The Earl's Half-Breed Daughter” · p.3 Read the full issue (100 pages) → 
Beadle's Pocket Novels No. 221: Dick Darling — 1882 “Dick Darling: The Pony Expressman” · p.3 Read the full issue (100 pages) → 
The Mustang-Hunters — 1882 “The Beautiful Amazon of the Hidden Valley: A Tale of the Staked Plains” · p.3 Read the full issue (100 pages) → 
The Irish Captain: A Tale of Pontenoy — 1901 “The Irish Captain: A Tale of Fontenoy” · p.1 Read the full issue (24 pages) → Appearances are extracted from each issue's own printed contents page; entries we can't read confidently are withheld rather than guessed.