Columbia subject headings:
Critics--United States--Biography.
Krutch, Joseph Wood, 1893-1970.
Naturalists--United States--Biography.
Harvard subject headings:
Critics--United States--Biography
Krutch, Joseph Wood, 1893-1970
Naturalists--United States--Biography
Princeton subject headings:
Critics--United States--Biography.
Krutch, Joseph Wood, 1893-1970.
Naturalists--United States--Biography.