Columbia subject headings:
Assassins--United States--Biography.
Hinckley, Jack.
Hinckley, Jo Ann.
Hinckley, John W.
Reagan, Ronald--Assassination attempt, 1981.
Harvard subject headings:
Assassins--United States--Biography
Hinckley, Jack.
Hinckley, Jo Ann
Hinckley, John W.
Reagan, Ronald--Assassination attempt, 1981.
Princeton subject headings:
Assassins--United States--Biography.
Hinckley, Jack.
Hinckley, Jo Ann.
Hinckley, John W.
Reagan, Ronald--Assassination attempt, 1981.