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  • Cirsium (Thistle)
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    Botany; Botany in Iowa; Plant ecology; Prairie ecology; Prairie plants
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    Cirsium (Thistle), in situ (handcolored)
  • Ada Hayden
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  • Cirsium lanceolatum (Thistle)
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    Botany; Botany in Iowa; Plant ecology; Prairie ecology; Prairie plants
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    Cirsium lanceolatum (Thistle), in situ (black and white)
  • Ada Hayden
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  • Agricultural Research Bulletins nos. 304-320
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    Agriculture; Statistics; Rural Sociology; Agricultural Economics; Work Project Administration; Dairy Husbandry; Animal Husbandry; Entomology and Economic Zoology; Poultry Husbandry; Rural Education; Forestry; Statistics; Dairy Industry
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    Volume 26, Bulletins 304-320. (304) Statistical Investigation of a Sample Survey for Obtaining Farm Facts; (305) Efficiency of Dairy Rations Containing Various Quantities of Grain; (306) Social and Ecological Patterns in the Farm Leadership of...
  • IAHEES Research Bulletin
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  • Agricultural Research Bulletins nos. 321-345
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    Agriculture; Agricultural Economics, Rural Sociology; Consumption Economics; Agricultural Engineering; Soils; Agronomy; Dairy Industry; Poultry Husbandry; Animal Husbandry; Rural Education; Statistics; Botany; Plant Pathology; Farm Crops; Animal...
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    Volume 27, Bulletins 321-345. (321) Proper Size and Location of Corn Stabilization Stocks; (322) Some Farm Family Gardens Pay in Dollars; (323) Cost, Distribution and Utilization of Farm Machinery in Iowa; (324) Adjusting Crop Acreages for War...
  • IAHEES Research Bulletin
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  • Agricultural Research Bulletins nos. 346-362
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    Agriculture; Statistics; Soils; Agronomy; Household Equipment; Agricultural Engineering; Botany; Plant Pathology; Rural Sociology; Entomology; Economic Zoology; Animal Husbandry; Farm Crops; Agricultural Education;
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    Volume 28, Bulletins 346-362. (346) Test of the Performance of Portable Electric Mixers for Household Use; (347) Punched Card and Calculating Machine Methods for Analyzing Lattice Experiments Including Lattice Squares and the Cubic Lattice; (348)...
  • IAHEES Research Bulletin

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