Narcotics. Amendments to Harrison narcotic act, hearing before subcommittee, 69th Congress, 1st session, on H. R. 11612, to amend act to provide for registration of, with collectors of internal revenue, and to impose special tax upon all persons who produce, import, manufacture, compound, deal in, dispense, sell, distribute, or give away opium or coca leaves, their salts, derivatives, or preparations, and for other purposes, as amended, May 21-26, 1926.

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