United States. Agricultural Research Service. Animal and Poultry Husbandry Research Branch

• Annual R.O.P. and performance test summary, 1955-1956
• Annual R.O.P. and performance test summary, 1957-1958
• Annual R.O.P. summary, 1953-1954
• Annual R.O.P. summary, 1954-1955
• Dealers in small laboratory animals
• Directory of U.S.R.O.P. breeders qualifying for the U.S. register of merit breeding stage, 1952-53
• Directory of U.S.R.O.P. breeders qualifying for the U.S. register of merit breeding stage, 1953-54
• Dwarfism in beef cattle
• Fur farm associations
• Hatcheries and dealers participating in the National Poultry Improvement Plan
• Hatcheries, dealers and independent flocks participating in the National Turkey Improvement Plan
• Hatcheries, dealers and independent flocks participating in the National Turkey Improvement Plan, 1955