1. USDA:APHIS:VS. Changes in the US dairy industry, 1991-1996: part II. Bulletin #N210.996. Fort Collins, Colo: USDA:APHIS:VS, 1996.
2. USDA:APHIS:VS. Changes in the US beef cow-calf industry, 1993-1997: part IV. Bulletin #N238.598. Fort Collins, Colo: USDA:APHIS:VS, 1998.