[en] [Gutenberg 34973] • The Spy of the Rebellion / Being a True History of the Spy System of the United States Army during the Late Rebellion University of Nebraska Press

[en] Criminal Reminiscences and Detective Sketches Createspace Independent Publishing Platform

[en] [Gutenberg 22155] • The Expressman and the Detective

[en] [Gutenberg 30636] • The Somnambulist and the Detective; The Murderer and the Fortune Teller Createspace Independent Publishing Platform

[en] [Gutenberg 32007] • The Spiritualists and the Detectives WHITE DOG PUBLISHING

[en] [Pinkerton 14] • The Burglar's Fate and the Detectives Quality Classics

[en] [Gutenberg 20497] • Bucholz and the Detectives Createspace Independent Publishing Platform

[en] [Gutenberg 35686] • Mississippi Outlaws and the Detectives / Don Pedro and the Detectives; Poisoner and the Detectives Createspace

[en] [Gutenberg 17762] • The Burglar's Fate, and The Detectives Createspace Independent Publishing Platform

[de] Das unbeschriebene Blatt · Die moderne Leugnung der menschlichen Natur Berlin-Verlag

[es] En Defensa De La Ilustración Paidós

[de] Aufklärung jetzt. Für Vernunft, Wissenschaft, Humanismus und Fortschritt. Eine Verteidigung, Für Vernunft, Wissenschaft, Humanismus und Fortschritt. Eine Verteidigung WORLD HEALTH ORGN

[es] La tabla rasa Ediciones Paidos Iberica