Jackson Knox
3 appearances across 3 restored issues — every one readable in full, free.
Beadle's New York Dime Library, No. 462 — 1887 “Griplock in a New Role” (serial) · p.1 Read the full issue (32 pages) → 
Beadle's Dime Library No. 643 — 1891 “The Great Detective's Wonderful Revelation: A Romance of Splendid Shadow Work in New York High Life” · p.1 Read the full issue (32 pages) → 
Beadle's Dime Library No. 827 — 1894 “Detective Walden's Web” (serial) · p.1 Read the full issue (32 pages) → Appearances are extracted from each issue's own printed contents page; entries we can't read confidently are withheld rather than guessed.