Columbia subject headings:
African American soldiers--Congresses.
Crime--United States--Congresses.
Social values--Congresses.
Terrorism--United States--Congresses.
Violence--United States--Congresses.
Harvard subject headings:
African American soldiers--Congresses.
Crime--United States--Congresses.
Social values--Congresses
Terrorism--United States--Congresses.
Violence--United States--Congresses.
Princeton subject headings:
African American soldiers--Congresses.
Crime--United States--Congresses.
Social values--Congresses.
Terrorism--United States--Congresses.
Violence--United States--Congresses.