Warren, Benjamin S., 1871-1935. Health insurance: its relation to the public health. Washington: G.P.O. 1916; Social Security; 79 p. 23 cm. 2nd ed. B.S. Warren and Edgar Sydenstricker; prepared by direction of the Surgeon General.
Warren, Benjamin S., 1871-1935. Health insurance: its relation to the public health. Washington: G.P.O. 1916; Social Security; 79 p. 23 cm. 2nd ed. B.S. Warren and Edgar Sydenstricker; prepared by direction of the Surgeon General.
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