Edward Lytton
3 appearances across 3 restored issues — every one readable in full, free.
Beadle's Half Dime Library No. 1087 — 1899 “Flip Fred, the Pack-Peddler Prince; or, The Witch of the Black Swamp” · p.2 Read the full issue (16 pages) → 
Beadle's Half Dime Library No. 1097 — 1900 “Rustling Rob, the Tramp's Protege; or, The Master of The Cedars” · p.2 Read the full issue (16 pages) → 
Poor-House Pete, the Postal-Clerk Detective — 1900 “Poor-House Pete, the Postal-Clerk Detective; or, The Precious Patrimony” (serial) · p.2 Read the full issue (16 pages) → Appearances are extracted from each issue's own printed contents page; entries we can't read confidently are withheld rather than guessed.