Skip to main content Skip to search results
An official website of the United States government.

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

Showing Collections: 1 - 2 of 2

Harry Alfred Borthwick Papers

 Collection
Identifier: MS0026
Content Description

The Harry Alfred Borthwick Papers contain reprints, experiment results, correspondence, abstracts, manuscripts, photographs, negatives, positives, maps, graphs, tables, charts, slides, and notebooks. There are indexes to the reprints, abstracts, photographs, and negatives.

Dates: 1901-1967
Found in: National Agricultural Library Special Collections

William Nicholas Sullivan Papers

 Collection
Identifier: MS0165
Content Description

The William Nicholas Sullivan Papers include research, correspondence, and publications on insect biorhythms, aircraft disinsection, and aerosols.

Dates: 1945-1978; Majority of material found within 1963-1978
Found in: National Agricultural Library Special Collections

Filtered By

  • Subject: photoperiodism X

Filter Results

Additional filters:

Subject
USDA history 1
aerosols 1
biological rhythms 1
insect biochemistry 1
pesticide application 1
∨ more
photobiology 1
physical and chemical sciences 1
phytochrome 1
plant physiology 1
plant science and plant products 1
+ ∧ less