How to be a detective

Mississippi Outlaws and the Detectives Don Pedro and the Detectives; Poisoner and the Detectives

Allan Pinkerton

Knots Untied; Or, Ways and By-ways in the Hidden Life of American Detectives

George S. McWatters

Fifty Years a Detective: 35 Real Detective Stories

Thomas Furlong

Bucholz and the Detectives

Allan Pinkerton

Practical Instruction for Detectives: A Complete Course in Secret Service Study

Emmerson Wain Manning

The field and garden vegetables of America: Containing Full Descriptions of Nearly Eleven Hundred Species and Varieties; With Directions for Propagation, Culture, and Use.

Fearing Burr