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Cedar Valley Land Company Records
The Cedar Valley Land Company Records consist of two volumes of the company's contracts and records of land sales.
Charles Benjamin Coffman Papers
Charles C. Plitt Collection
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.
Charles Drechsler Papers
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 There are also notes and pencil drawings for an unpublished article on Helminthosporium spp., a few letters, and specimens of cereal crops with plant diseases.
Charles E. North Papers
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.
Charles Edwin Kellogg Papers
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.
Charles Farquharson Stewart Sharpe Papers
Charles Ford Langworthy Papers
The Charles Ford Langworthy Papers contain miscellaneous publications and notes on food and nutrition with a subject index.
Charles R. Gunn Collection
The Charles R. Gunn Collection contains negatives, slides, photographs, and artwork for USDA publications authored or co-authored by Gunn.
Charles Thom Papers
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.
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