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1
Catalogue of the exhibit of economic entomology at the World's Columbian Exposition, Chicago Ill., 1893 /
Published 1893“…Bulletin (United States. Division of Entomology) ;…”
Government Document Conference Proceeding Book -
2
Catalogue of exhibits of insect enemies of forests and forest products at the Louisiana Purchase Exposition, St. Louis, Mo., 1904 /
Published 1904“…Bulletin (United States. Division of Entomology) ;…”
Government Document Conference Proceeding Book -
3
Catalogue of the exhibit of economic entomology at the Louisiana Purchase Exposition, St. Louis, Mo., 1904 /
Published 1904“…Bulletin (United States. Division of Entomology) ;…”
Government Document Conference Proceeding Book