. . "Expediting act amendments. Hearings, Ninetieth Congress, second session, pursuant to S. Res. 233 on S. 2721 and S. 2806-2812 ... April 16 and 18, 1968" . . . . . . "Expediting act amendments : Hearings, Ninetieth Congress, second session, pursuant to S. Res. 233 on S. 2721 and S. 2806-2812 ... April 16 and 18, 1968" . . . . "Expediting act amendments Hearings, Ninetieth Congress, second session, pursuant to S. Res. 233 on S. 2721 and S. 2806-2812 ... April 16 and 18, 1968"@en . . . . .