Whether "Dan Dunning" is a true or a pen name is unknown.
Items with "Dunning, Dan" as Credited Author746. Quiet Jack, the Secret Service Spy; or, Too Much for Red Leary. The Story of the City Park Tragedy
767. Mac and Jack, the Invincibles; or, The Diabolical Three. The Exposé of the Baffling Barret Mystery
875. Detective Dave's Close Call; or, Farrel Fox, the Man of Many Faces
884. Farrel Fox and his Girl Ferret; or, The Bogus Banker's Dive-Sharks. A Story of Three New York Detectives
893. Farrel Fox's Sweep-Stakes; or, The Boss Counterfeiter's Round-Up