• 54 Books

• 14 Monk, William (Fictitious character)
• 14 Pitt, Thomas (Fictitious character)
• 13 Pitt, Charlotte (Fictitious character)
• 11 Police
• 10 Women detectives
• 9 History
• 8 World War, 1914-1918
• 7 Private investigators
• 7 Social life and customs
• 6 Police spouses
• 3 Military chaplains
• 3 Trench warfare
• 2 Arms transfers
• 2 Detective and mystery stories, American
• 2 Detective and mystery stories, English
• 2 Investigation
• 2 Journalists
• 2 Murder
• 1 Americans
• 1 Aristocracy (Social class)
• 1 Astrology
• 1 Bombings
• 1 Characters and characteristics in literature
• 1 End of the world
• 1 Good and evil

• 1 Dickens, Charles, 1812-1870

• 53 English
• 1 French

• 29 England
• 18 London
• 17 London (England)
• 7 Great Britain
• 1 Belgium
• 1 Berkshire
• 1 Cambridge (England)
• 1 France
• 1 London (England)-Fiction

• 42 Fiction
• 26 Mystery fiction
• 16 Historical fiction
• 5 Detective and mystery stories
• 4 Legal stories
• 3 Detective and mystery fiction
• 3 War stories
• 2 Fantasy fiction
• 1 Detective and mystery comic books, strips, etc
• 1 Suspense fiction

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