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: 51 - 60 of 433

Charles C. Plitt Collection

 Collection
Identifier: MS0236
Content Description

The Charles C. Plitt Collection consists of a series of journals resulting from weekly botany field trips, which Plitt referred to as "tramps," ranging in date from about 1898 to 1922. Plitt led these tramps through many areas around Baltimore, such as Loch Raven, Glen Burnie, Towson, Curtis Bay, and Ellicott City. The collection also includes biographical data, correspondence, photographs, and a book.

Dates: 1897-1994

Charles Drechsler Papers

 Collection
Identifier: MS0250
Content Description

The Charles Drechsler Papers consist of the figures or illustrations for two articles that were published in the Journal of Botany in 1954 and 1956, titled "Two Species of Conidiobolus with Minutely Ridged Zygospores" and "Two New Species of Conidiobolus." There are also notes and pencil drawings for an unpublished article on Helminthosporium spp., a few letters, and specimens of cereal crops with plant diseases.

Dates: 1927-1956; Majority of material found within 1954-1956

Charles E. North Papers

 Collection
Identifier: MS0119
Content Description

The Charles E. North Papers contain correspondence, articles, and reports on a variety of subjects related to the development of the dairy industry during the first half of the 20th century. The collection includes records concerning North's efforts in support of milk legislation, patents on processes and devices related to the milk industry, and photographs and motion pictures that reflect his determination to upgrade the sanitary standards for processing milk.

Dates: 1912-1961

Charles Edwin Kellogg Papers

 Collection
Identifier: MS0091
Content Description

The Charles Edwin Kellogg Papers contain scripts of Kellogg's speeches, articles, reviews, reprints, correspondence, field notes, journals, slides, photographs, soil maps, and publications relating to soil science and agriculture. Publications include many of the rare works of soil science pioneers such as Glinka, Ruffin, Evelyn, Young, and Marbut.

Dates: 1929-1975; Majority of material found within 1947-1971

Charles Farquharson Stewart Sharpe Papers

 Collection
Identifier: MS0151
Content Description The Charles Farquharson Stewart Sharpe Papers consist of copies of articles, translations, and publications relating to geomorphology and erosion. Materials include correspondence and other records produced in the course of Sharpe's work for the Climatic and Physiographic Division of the Soil Conservation service. There are also research notes and draft reports of physiographic studies in which Sharpe was involved, copies of published reports authored by Sharpe, and photographs and lantern...
Dates: 1925-1991; Majority of material found within 1925-1949

Charles Ford Langworthy Papers

 Collection
Identifier: MS0096
Content Description

The Charles Ford Langworthy Papers contain miscellaneous publications and notes on food and nutrition with a subject index.

In 2025, data and conference documentation relating to the American Home Economics Association and Lake Placid Conference on Home Economics were added.

Dates: 1904-1919

Charles J. Meler Papers

 Collection
Identifier: MS0105
Content Description The Charles J. Meler Papers include correspondence, egg marketing orders, and egg promotion material, including a proclamation by William G. Stratton, Governor of Illinois. Additionally, there are contracts for egg producers and started pullet growers, which were negotiated in Illinois and neighboring states. The collection contains bulletins of the Illinois Extension Service, publications of the American Poultry and Hatchery Federation and the Illinois Poultry Industry Council, and...
Dates: 1959-1965

Charles R. Gunn Collection

 Collection
Identifier: MS0361
Content Description

The Charles R. Gunn Collection contains negatives, slides, photographs, and artwork for USDA publications authored or co-authored by Gunn.

Dates: 1984-2006

Charles Thom Papers

 Collection
Identifier: MS0170
Content Description

The Charles Thom Papers cover materials from Thom's college years to biographical memoirs published after his death. The collection includes correspondence, notes, notebooks, essays, lectures, speeches, diaries, journals, and lantern slides from professional trips. There are also published items, including monographs, journal articles, and newspaper clippings. The majority of the collection focuses on soil microbiology, mycology, food spoilage, food poisoning, and penicillin.

Dates: 1891-1968

Charles V. Riley Insect Collecting Boxes

 Item
Identifier: MS0503
Content Description

Three boxes Charles V. Riley used for collecting insects. 1 smaller box is probably hardboard or thick paperboard. 2 wood faux book type boxes, one says "Lepidoptera," another says "coleoptera from Central America" and other scientific names that are smaller and slightly illegible. Included is an article in which the boxes were featured, including photos, from "American Entomologist," Fall 2022.

Dates: Majority of material found within 1872 - 1892

Filter Results

Additional filters:

Subject
USDA history 172
plant science and plant products 100
agricultural history 70
organizations 58
economics 50
∨ more
Farms and farming systems 46
animal science 45
poultry 44
human nutrition 41
entomology 40
natural resources 35
physical and chemical sciences 29
plant exploration and collection 22
forestry 16
poultry industry 13
Cochliomyia hominivorax 12
pest control programs 12
trade associations 11
USDA 9
agricultural economics 9
agricultural communications 7
agricultural education 7
sterile insect technique 7
government and administration 6
plant diseases and disorders 6
poultry science 6
international cooperation 5
plant breeding 5
poultry production 5
egg production 4
extension agents 4
extension education 4
livestock breeding 4
ornamental plants 4
4-H Youth Development Program 3
Japan 3
agricultural experiment stations 3
agricultural policy 3
agricultural research 3
animal breeding 3
business enterprises 3
chicken breeds 3
commercial horticulture 3
environmental education 3
extension programs 3
food marketing 3
fruits 3
grain crops 3
insect rearing 3
insect surveys 3
insecticides 3
marketing 3
ornamental horticulture 3
outreach 3
pesticide application 3
plant pests 3
public relations 3
purebreds 3
rural sociology 3
small farms 3
small fruits 3
social marketing 3
standards and grades 3
wool 3
Argentina 2
China 2
Curacao 2
U.S. Cooperative Extension Service 2
USDA Forest Service 2
agricultural engineering 2
agricultural machinery and equipment 2
agricultural programs and projects 2
agricultural statistics 2
animal byproducts 2
animal parasites and pests 2
animal research 2
biological insect control 2
botanical illustration 2
child nutrition 2
cut flowers 2
dairy industry 2
dogs 2
educational materials 2
egg products 2
eggs 2
environmental hazards 2
family and consumer science 2
farm management 2
fire prevention 2
floriculture 2
food law 2
food preparation 2
food safety 2
food science 2
foot-and-mouth disease 2
forest conservation 2
fruit crops 2
fruit diseases 2
fruit growing 2
hatcheries 2
+ ∧ less
 
Language
French 1
German 1
Portuguese 1
Russian 1
Spanish; Castilian 1
 
Names
Carver, George Washington, 1864?-1943 2
Wendelin, Rudolph, 1910-2000 2
Clement, Clarence E. 1
McCann, Neil F. (Neil Frank), 1909-1986 1
Preston, William H. 1