[Papers], 89th Congress. 63. Hearings on various stockpile commodities, H.R. 13366. aluminum, H.R. 13768, celestite, H.R. 13769, cordage fiber (sisal), H.R. 13770, crocidolite asbestos (harsh), H.R. 13771, diamond tools, H.R. 13772, metallurgical grade manganese ore, H.R. 13773, opium, before subcommittee no. 1, 89th Congress, 2d session, May 4 and 5, 1966.