Regulations governing the sale of milk and cream and ice cream in the District of Columbia : hearings before the Subcommittee on Public Health, Hospitals, and Charities of the Committee on the District of Columbia, House of Representatives, Seventy-sixth Congress, first session, on H.R. 6316, a bill to amend the act entitled "An act to regulate within the District of Columbia the sale of milk, cream, and ice cream, and for other purposes", approved February 27, 1925, February 27, May 23-24, 26, 1939