Columbia subject headings:
International Brotherhood of Electrical Workers--Biography.
Keenan, Joseph D.
Labor unions--Officials and employees--United States--Biography.
World War, 1939-1945--United States--Biography.
Harvard subject headings:
International Brotherhood of Electrical Workers--Biography.
Keenan, Joseph D.
Labor unions--United States--Officials and employees--Biography
World War, 1939-1945--United States--Biography.
Princeton subject headings:
International Brotherhood of Electrical Workers--Biography.
Keenan, Joseph D.
Labor unions--United States--Officials and employees--Biography.
World War, 1939-1945--United States--Biography.