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Hymenoptera of America north of Mexico : synoptic catalog. First supplement / prepared by the staff and collaborators of the Hymenoptera Unit, Insect Identification and Parasite Introduction Laboratories, Entomology Research Division, Agricultural Research Service ; under the direction of Karl V. Krombein
Author: Krombein, Karl V.; United States. Dept. of Agriculture
Call no: 595.79097 HYM
Year: 1958
Book
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Cutting energy costs
Author: United States. Dept. of Agriculture
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Food from farm to table
Author: United States. Dept. of Agriculture
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Animal health : livestock and pets
Author: United States. Dept. of Agriculture
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Marketing U.S. Agriculture
Author: United States. Dept. of Agriculture
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Our American land
Author: United States. Dept. of Agriculture
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Research for tomorrow
Author: United States. Dept. of Agriculture
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Power to produce
Author: United States. Dept. of Agriculture
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After a hundred years.
Author: United States. Dept. of Agriculture
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Farmer's world.
Author: United States. Dept. of Agriculture
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