Columbia subject headings:
Novelists, American--20th century--Biography.
Percy, Walker, 1916-1990.
Philosophers--United States--Biography.
Physicians--United States--Biography.
Harvard subject headings:
Novelists, American--20th century--Biography
Percy, Walker, 1916-1990
Percy, Walker, 1916-1990.
Philosophers--United States--Biography
Physicians--United States--Biography
Princeton subject headings:
Novelists, American--20th century--Biography.
Percy, Walker, 1916-1990.
Philosophers--United States--Biography.
Physicians--United States--Biography.