Subject
Investigation
Murder
46
Missing persons
11
Man-woman relationships
9
Detectives
5
Criminal behavior
3
Criminal investigation
3
Adultery
2
Corrupt practices
2
Fathers and sons
2
Race relations
2
Serial murderers
2
Swindlers and swindling
2
Abandoned children
1
Abduction
1
Absence without leave
1
Actors
1
Adult children of alcoholics
1
African American detectives
1
Air pilots
1
Aircraft accidents
1
Alcoholics
1
Alcoholism
1
Amnesia
1
Anonyms and pseudonyms
1
Antisemitism
1
Apartment dwellers
1
Assassination
1
Assassins
1
Assimilation (Sociology)
1
Asylums
1
Autonomy and independence movements
1
Bandmasters
1
Bank robberies
1
Bankers
1
Black market
1
Brainwashing
1
Charitable gambling
1
Charles, Nick (Fictitious character)
1
Charles, Nora (Fictitious character)
1
Chinese Americans
1
Clairvoyants
1
Commuters
1
Commuting traffic
1
Competitions
1
Conspiracies
1
Conspiracy
1
Corporations
1
Cousins
1
Crime scenes
1
more ...