Migratory Bird Refuge Act : hearings before the Committee on Agriculture, House of Representatives, Sixty-eighth Congress, first session, on H.R. 745, a bill for the establishment of migratory-bird refuges to furnish in perpetuity homes for migratory birds, the establishment of public shooting grounds to preserve the American system of free shooting, the provision of funds for establishing such areas, and the furnishing of adequate protection for migratory birds, and for other purposes. March 29, 1924.