Columbia subject headings:
Legislators--United States--Biography.
Pittman, Key, 1872-1940.
United States--Foreign relations--1933-1945.
United States. Congress. Senate--Biography.
Harvard subject headings:
Legislators--United States--Biography
Pittman, Key, 1872-1940.
United States--Foreign relations--1933-1945.
United States. Congress. Senate--Biography.
Princeton subject headings:
Legislators--United States--Biography.
Pittman, Key, 1872-1940.
United States--Foreign relations--1933-1945.
United States. Congress. Senate--Biography.