Columbia subject headings:
Hydraulic engineers--United States--Biography.
Morgan, Arthur E. (Arthur Ernest), 1878-1975.
Tennessee Valley Authority.
Harvard subject headings:
Hydraulic engineers--United States--Biography.
Morgan, Arthur E. (Arthur Ernest), 1878-1975.
Tennessee Valley Authority
Princeton subject headings:
Hydraulic engineers--United States--Biography.
Morgan, Arthur E. (Arthur Ernest), 1878-1975.
Tennessee Valley Authority.