Criminology

U.S. Army Field Manual 7–93 Long-Range Surveillance Unit Operations

The Seven Sisters of Sleep

Reforming Criminal Justice

Operate Your Rifle Like a Pro – U.S. Army Official Manual

Counter Sniper Handbook – Eliminate the Risk with the Official US Army Manual

Buried Dreams

The Professor and the Prostitute

Convict Life at the Minnesota State Prison, Stillwater, Minnesota

A Treatise on the Police of the Metropolis

Cesare Lombroso, a modern man of science

Crime Writer's Guide to Police Practice and Procedure

The Architects of Deception

Oriental Prisons

The Night Side of London

Prisons Over Seas

Crime and Its Causes

Smuggling and Other Essays

Italian Prisons

The Nation Behind Prison Bars