The Center for the Advanced Study of Educational Administration, a division of the Institute for Community Studies, was established in 1964 with funds granted by the Research and Development Program of the United States Office of Education. Collection includes correspondence, committee and general reports, and general office records, 1966-1970.

The mission of the UO Center on Diversity and Community (CoDaC) is to advance inclusive excellence through critical thinking and an ethic of care. The collection contains reports and VHS tapes on CoDaC projects concerning diversity and affirmative action.

Collection is comprised of the Certificate of Register issued to Herman C. Leonard by John Adair for the brig, Metropolis.

Henry Chalmers was an economist who worked in state and national offices. His collection consists of memoranda, position papers, special studies, and correspondence relating to economic affairs.

Chambers Communications Corp. was a TV news production company in Eugene, Oregon. The collection contains film, videotapes, DVDs, and paper reference logs.

University of Oregon Charter Day cerebrations commemorate the University's founding on October 18, 1876. The collection contains printed event programs for Charter Day celebrations for the years 1951; 1954; 1956; 1957; and 1959.

Seventeen-page manuscript, written circa 1870-1880, by Margaret Chavner, daughter of Thomas Chavner, as told to her directly by her father. The Chavner family established the community of Gold Hill, Oregon, and owned many mining claims and farming properties in the area.

The collection contains a petition by Thomas Chavner, addressed to the people of Jackson County, Oregon, regarding a bridge over the Rogue River at Dardanelles. The collection contains the petition of October 24, 1864, and includes a list of supporters.

George Parkhurst Cheney (1871 - 1962) was publisher and editor of the Record-Chieftain, of Enterprise, Oregon. The collection (1907-1941) contains correspondence and documents regarding the status of City of Enterprise bonds, Citizen's Tax Committee correspondence, Oregon Voters magazines, and also a few mementos of Cheney's publishing career.

Justin Chenoweth (1829-1898) was an Oregon pioneer and surveyor. Collection includes two containers of family letters, poems, important documents, Chenoweth's diary, and biographical and genealogical material.

Gifford P. Cheshire (1905- ) is a writer of western novels. The collection (1966-1969) contains manuscripts of Wenatchee Bend, and Ambush at Bedrock, and also copies of the published books.

James Thornton Chinnock (1882 - ) was an attorney in Grants Pass, Oregon. The collection (1920-1928) contains case files relating to water rights cases in Josephine County, Oregon.

J. H. (John Henry or Heine) Christ edited a book regarding the recollections of a Pony Express Rider, Isaac Van Dorsey Mossman, who worked for the Pony Express in the mid 1800s. The collection (1954-1955) contains manuscript and research material, correspondence, photographs, and publicity.

Chronological listing (1818-1947) of districts formed by the Provisional Government of the Oregon Territory and of counties and their boundary changes after Oregon became a state. Includes maps.

The collection contains one undated issue of the Civilian Conservation Corps (Cheshire, OR), Company 2110 camp newspaper, titled the Oracle, undated. Company 2110 was stationed at Camp Long Tom.

The Civilian Public Service Camps histories contains three narratives written between 1941-1945. The histories detail life at three camps for conscientious objectors during World War II: Camp #21 at Cascade Locks, Oregon, Camp #56 at Waldport, Oregon, and Camp #59 at Elkton, Oregon. These reports were written by members of the respective camps.

The collection consists of a photostat copy of the Clackamas County Court's certificate of taxation for 1857.

This collection contains a docket of the Clackamas County, Oregon, District 4, Justices' Court, 1896-1897.

The collection consists of a photostat copy of the polling record for an election held at the home of Joseph Young, of Young's Precinct, Clackamas County.

The collection consists of a photostat copy of the polling record for an election held June 1, 1857, at the home of Joseph Young, of Young's Precinct, Clackamas County.

The collection consists of a single probate court document deeding "lots numbered one and two" to James Athey.

Harvey Clark (1807-1858) was a missionary, settler, and educator who, along with his wife, Emeline and Tabitha Moffat Brown, founded the Tualatin Academy in Forest Grove, Oregon Territory. The collection consists of an "indenture" from the Clarks to the "President of the Tualatin Academy and Pacific University" ceding control of the Clarks' Forest Grove land claim.

Robert Carleton Clark (1877–1939) was and educator and historian who served as head of the department of History at the University of Oregon until his death in 1939. The Robert Carleton Clark memorial essays collection contains unpublished works by Clark's former graduate students on a variety of 19th and early 20th century Oregon history topics.

Robert Donald Clark (1910- ) was a professor of speech, author, public speaker, and university president. The Robert D. Clark Papers are comprised of correspondence, schoolwork, speeches, writings, research notes, publications, administrative reports and memoranda, and reference files.

Samuel Asahel Clarke (1827-1909) was an Oregon newspaperman, historian, and poet. The collection consists of typed transcripts of sections from Clarke's scrap book.

Samuel Asahel Clarke (1827-1909) was an Oregon newspaperman, historian, and poet. The collection consists of five handwritten chapters from Clarke's History of the Modocs.

Clatsop County, Oregon School District No. 1 and J. Munson, entered into a legal agreement regarding land. The collection a legal document between the school district No. 1 and Munson, dated January 9, 1865.

Frederick William Cleator was a forester and conservationist. The collection includes diaries, correspondence, notes, documents, and photographs relating to Cleator's interest in the recreational aspects of national forests and the establishment of the Cascade skyline trail.

Lauretta M. Cloran was the wife of Timothy Cloran, professor of Romance Languages, University of Oregon. The collection contains thirty-nine diaries (1911-1954) and they include information such as social engagements, menus, entertainments, weather, and occasional local news.

American photographer and graphic artist James Cloutier published a photo essay on Alpine, Oregon in 1977 and a poster map of Eugene, Oregon in 1985. Collection includes contact prints, mounted photographs, and negatives of approximately 70 images used in the illustration of Cloutier's book The Alpine Tavern, about Alpine, Or.