Columbia subject headings:
Authors, American--20th century--Biography.
Librarians--United States--Biography.
Powell, Lawrence Clark, 1906-2001--Bibliography.
Powell, Lawrence Clark, 1906-2001.
Harvard subject headings:
Authors, American--20th century--Biography
Librarians--United States--Biography
Powell, Lawrence Clark, 1906-2001
Powell, Lawrence Clark, 1906-2001--Bibliography.
Princeton subject headings:
Authors, American--20th century--Biography.
Librarians--United States--Biography.
Powell, Lawrence Clark, 1906-2001--Bibliography.
Powell, Lawrence Clark, 1906-2001--Biography.