1. U.S. 1965. Congressional Record. 89th Cong., 2d Sess. March251965. pp.6627–6636.
2. U.S. 1965. Congressional Record. 89th Cong., 2d Sess. September151965. pp.23855–23861.
3. U. S. 1966. Congressional Record. 89th Cong., 2d Sess. April251966. pp.8869–8874.