[Committee hearing] serial, 93d Congress. 5. Nominations, Jan. 1973, hearings, 93d Congress, 1st session, on nominations of Jan. 9 and 10, 1973, Claude S. Brinegar, to be Secretary of Transportation, Jan. 11, 1973, Egil Krogh, jr., to be Under Secretary of Transportation, Jan. 12, 1973, Frederick B. Dent, to be Secretary of Commerce, Jan. 29, 1973, Richard W. Roberts, to be Director of National Bureau of Standards.