Johnny Nelson: How a one-time pupil of Hopalong Cassidy of the famous Bar-20 ranch in the Pecos Valley performed an act of knight-errantry and what came of itClarence Edward Mulford
Hopalong Cassidy's Rustler Round-Up; Or, Bar-20: Uncovering Rustlers on the Bar-20 FrontierClarence Edward Mulford
Johnny Nelson: How a one-time pupil of Hopalong Cassidy of the famous Bar-20 ranch in the Pecos Valley performed an act of knight-errantry and what came of itClarence Edward Mulford
Hopalong Cassidy: Riding through the Wild West: Adventure and Gunfighters with Hopalong CassidyClarence Edward Mulford
Bar-20 Days: Riding Through the Wild West: Action, Adventure, and Cowboys in 'Bar-20 Days'Clarence Edward Mulford
The Orphan: A Journey Through the Wild West: Loyalty, Justice, and Perseverance in the American FrontierClarence Edward Mulford
The Coming of Cassidy—And the Others: Riding into the Wild West: Tales of Adventure, Loyalty, and JusticeClarence Edward Mulford