Columbia subject headings:
Criminal law--United States--History.
Kidnapping--United States--History.
Ransom--United States--History.
Harvard subject headings:
Criminal law--United States--History.
Kidnapping--United States--History.
Ransom--United States--History.
Princeton subject headings:
Criminal law--United States--History.
Kidnapping--United States--History.
Ransom--United States--History.