Narrow search
Showing 1 - 3 of 3
Cover Image
Western Duck Sickness: A Form of Botulism
Kalmbach, E. R.; Gunderson, Millard F. - Economic Research Service, Department of Agriculture - 1934
Persistent link: https://www.econbiz.de/10010922539
Cover Image
The Magpie in Relation to Agriculture
Kalmbach, E. R. - Economic Research Service, Department of Agriculture - 1927
Persistent link: https://www.econbiz.de/10010922542
Cover Image
Economic Status of the English sparrow in the United States
Kalmbach, E. R. - Economic Research Service, Department of Agriculture - 1940
Persistent link: https://www.econbiz.de/10010923080