Knute Bjorka

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Books

Some Caterpillars Frequently Mistaken for the European Corn Borer

Some Caterpillars Frequently Mistaken for the European Corn Borer

Carl John Drake, Marvin Howard Brunson, Harold De Mott Hughes, Irving E. Melhus, Percy Edgar Brown, Bentley Ball Fulton, Earl Weaver, Knute Bjorka, George Clemens Decker, Lyman Crane Burnett, Lewis Wilson Erdman, Frank Robotka, Burt Oderkirk, Halbert Marion Harris, Otto Herman Elmer

Factors Influencing Egg Production

Factors Influencing Egg Production

Homer Henry Plagge, Bernard Wernick Hammer, John Marcus Evvard, Charles Webster Knox, Knute Bjorka, Chester Hamlin Werkman, H. L. Lantz, John Budd Wentz, Lewis Wilson Erdman, Margaret C. House, Ernest Straign Haber, F. Scott Wilkins, Thomas Joseph Maney, Vishram Hari Patil, Precious Mabel Nelson

Feeder Cattle and Sheep Shipped Into Minnesota

Feeder Cattle and Sheep Shipped Into Minnesota

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