Secret Service. Old and Young King Brady, Detectives
185. The Bradys in the Black Hills; or, Their Case in North Dakota198. The Bradys and the Bed Rock Mystery; or, Working in the Black Hills
231. The Bradys and the Bagg Boys or, Hustling in the Black Hills
268. The Bradys' Dash to Deadwood; or, A Mystery of the Black Hills
910. The Bradys in the Black Hills; or, Their Case in North Dakota
923. The Bradys and the Bed Rock Mystery; or, Working in the Black Hills
956. The Bradys and the Bagg Boys or, Hustling in the Black Hills
993. The Bradys' Dash to Deadwood; or, A Mystery of the Black Hills