Subject
Private investigators
Murder
55
Investigation
53
Missing persons
25
Detective and mystery stories, English
17
History
14
African American men
13
Women detectives
13
Holmes, Sherlock (Fictitious character)
10
Criminal investigation
9
Man-woman relationships
9
Crimes against
7
Ex-police officers
7
British
6
Detectives
6
Nameless Detective (Fictitious character)
5
Detective and mystery stories
4
Dogs
4
Haggerty, Leo (Fictitious character)
4
Hounds
4
Investigations
4
Rafferty, Shadwell (Fictitious character)
4
Secrecy
4
Serial murder investigation
4
Walker, Amos (Fictitious character)
4
Watson, John H. (Fictitious character)
4
African American detectives
3
Archer, Lew (Fictitious character)
3
Art thefts
3
Authors
3
Blessing and cursing
3
Chin, Lydia (Fictitious character)
3
City and town life
3
Cold cases (Criminal investigation)
3
Deception
3
Detective and mystery stories, American
3
Ex-convicts
3
Ex-football players
3
Industrial relations
3
Labor
3
Missing children
3
Older men
3
Police corruption
3
Private security services
3
Runaway teenagers
3
Smith, Bill (Fictitious character)
3
Store detectives
3
Adultery
2
Baseball players
2
Booksellers and bookselling
2
more ...