Characteristics of Women Farm Operators and Their FarmsRobert Hoppe, Penni Korb · First published 2014Open the Tome
Farm Size and the Organization of U. S. Crop FarmingJames MacDonald, Penni Korb, Robert Hoppe · First published 2014Open the Tome
Million-Dollar Farms in the New CenturyRobert Hoppe, Penni Korb, David Banker · First published 2012Open the Tome
U.S. and world food, beverages, and tobacco expenditures, 1970-1983Penni Korb · First published 1986Open the Tome
