Commentary

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Willbert Martin I . Pub. Health Rep. (1916), Vol. 31, pp.114–119

Brown L_____F . Am. J. Pub. Health (1915), Vol. 5, pp. 323–_____

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Knopf Adolphus , Med. J. & Rec. (1924), Vol. 119, pp. 135–139.

Unpublished data furnished by officials of the Pennsylvania Bureau of Drug Control, with permission to use.

Bailey Pearce . Med. Prog. (1920), Vol. 36, pp. 193–197.

Bailey Pearce . Mental Hyg. (1920), Vol. 4, p. 566.

Reports by narcotic inspectors in the files of the narcotic division of the Bureau of Internal Revenue, Treasury Department.

Reprint Series No. 87, Department of Health of the city of New York, February, 1920.

Second Annual Report of the Narcotic Drug Control Commission of the State of New York, Albany, April 15, 1920.

Terry C. E. . Annual Report of the Board of Health of the city of Jacksonville, Fla., for the year 1913.

Butler Willis P . Am. Med. (1922), Vol. 17, pp. 154–162.

Commerce Reports, 1918, No. 96, pp. 331–333.

DeQuincy. Confessions of an opium eater. A. L. Burt & Co., New York, N. Y.

Report of Foreign Commerce and Navigation of the United States. Bureau of Statistics, Department of Commerce, Washington D.C.

Annual reports of the Commissioner of Internal Revenue of the fiscal years ended June 30, 1922 and 1923. Treasury Department, Washington D.C.

Minutes, Fifth Session Advisory Committee on Traffic in Opium, League of Nations, May 24 to June 7, 1923. Annex 11.

Simon Carleton . J. Am. Med. Assoc. (1924), Vol. 82, pp. 675–678.

Public Health Bulletin No. 56, United States Public Health Service, November, 1912.

Report of the Special Commission to Investigate the Extent of the Use of Habit-Forming Drugs in Massachusetts. Boston, Mass., January 3, 1917.

Data furnished by William W. MacDonell, city health officer of Jacksonville, Fla.