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united states. bureau of entomology

Fighting the insects

By L. O. Howard

The Bureau of Entomology

By Weber, Gustavus Adolphus

Directory of field activities of the Bureau of Entomology

By United States. Bureau of Entomology

Directory of field activities of the Bureau of Entomology

By United States. Bureau of Entomology

Checklist of publications on entomology issued by the United States Department of Agriculture through 1927, with subject index

By Mabel Colcord

Supplemental estimate, Bureau of Entomology, Department of Agriculture. Letter from the Secretary of the Treasury, transmitting copy of a communication from the Secretary of Agriculture submitting supplemental and additional estimate of appropriation under the head of "General expenses, Bureau of Entomology," for the fiscal year ending June 30, 1917

By United States. Congress. House. Committee on Agriculture

Bureau of Entomology

By United States. Congress. House. Committee on Expenditures in the Department of Agriculture

List of publications of the Bureau of Entomology

By Mabel Colcord

List of publications of the Bureau of Entomology

By Mabel Colcord

List of publications of the Bureau of Entomology

By Mabel Colcord

Check list of publications on entomology issued by the United States Department of agriculture through 1927, with subject index

By Mabel Colcord

Permission to Dr. L. O. Howard to accept French decorations

By United States. Congress. House. Committee on Foreign Affairs