• A Son of Mars, volume 1
• A Son of Mars, volume 2
• Chronicles of Newgate, Vol. 1: From the twelfth to the eighteenth century
• Chronicles of Newgate, Vol. 2: From the eighteenth century to its demolition
• Early French Prisons: Le Grand and Le Petit Châtelets; Vincennes; The Bastile; Loches; The Galleys; Revolutionary Prisons
• German and Austrian Prisons: Prisons of Prussia, Bavaria, Saxony and Austria-Hungary; the Fortresses of Magdeburg and Spielberg
• Italian Prisons: St. Angelo; the Piombi; the Vicaria; Prisons of the Roman Inquisition
• Millbank Penitentiary: An Experiment in Reformation
• Modern French Prisons: Bicêtre; St. Pélagie; St. Lazare; La Force; The Conciergerie; La Grande and La Petite Roquettes; Mazas; La Santé
• Mysteries of Police and Crime, Vol. 1 (of 3)
• Non-Criminal Prisons: English Debtor's Prisons and Prisons of War; French War Prisons; American War Prisons with References to Those of Other Lands
• Oriental Prisons: Prisons and Crime in India, the Andaman Islands, Burmah, China, Japan, Egypt, Turkey
• Prisons Over Seas: Deportation and Colonization; British and American Prisons of To-day
• Russian Prisons: St. Peter and St. Paul; the Schlüsselburg; the Ostrog at Omsk; the story of Siberian exile; Tiumen, Tomsk, Saghalien
• Spanish Prisons: The Inquisition at Home and Abroad, Prisons Past and Present
• The Chronicles of Newgate, vol. 1/2
• The Chronicles of Newgate, vol. 2/2
• The Passenger from Calais
• The Rome Express
• The Thin Red Line; and Blue Blood