Columbia subject headings:
Electric power--Tennessee River Valley--Congresses.
Electric utilities--Tennessee River Valley--Congresses.
Tennessee Valley Authority--Congresses.
Water resources development--Tennessee River Valley--Congresses.
Harvard subject headings:
Electric power--Tennessee River Valley--Congresses.
Electric utilities--Tennessee River Valley--Congresses.
Tennessee Valley Authority--Congresses.
Water resources development--Tennessee River Valley--Congresses.
Princeton subject headings:
Electric power--Tennessee River Valley--Congresses.
Electric utilities--Tennessee River Valley--Congresses.
Tennessee Valley Authority--Congresses.
Water resources development--Tennessee River Valley--Congresses.