Collection contains 7,588 pieces of sheet music and 600 collected works of music from Tin Pan Alley to 20th Century.

Charles Nilon was Professor of English at the University of Colorado at Boulder for three decades. He initiated the Black Studies Program in the late 1960s and served on numerous committees and advisory panels in addition to his departmental teaching and advising responsibilities. He retired in 1984. The collection includes materials related to his service on university committees.

The Charles R. Middleton Collection contains material such as correspondence, classroom articles, schedule planners and written speeches that are in relation to Charles R. Middleton and the College of Arts & Sciences during Middleton’s involvement between his arrival in1969 and his departure in 1996.

Charles Robert Ewing (1879-1958) was a rancher and mining engineer of Del Norte, Colorado. Papers contain information on the C. R. Ewing's Embargo Ranches of Del Norte, as well as records and original surveys from various mines in Rio Grande, Saguache, and other counties. The correspondence in this collection reflects the economic hardships in the cattle, sheep, and mining industries in the San Luis Valley.

The Charles Scoggins Papers contains biographical material and three pieces of work writing by Scoggins, ranging from 1888-1955.

A civil engineer, Charles Sievers (1880-1965) had extensive experience with railroad and irrigation projects, among them the Rio Grande Dam above Creede, the Moffat Tunnel, and many others. During the 1930s, he was a supervisor for the Federal Emergency Relief Administration and the Public Works Administration. The collection contains construction contracts, evaluation circulars and reports, employee time records, equipment registers and other material from Sievers' projects.

Charles Tarbell was a Saguache County Rancher, Banker, and Congressman. The collection contains correspondence with Wil Tufford and others, relating to efforts to establish governmental pensions for the veterans of Downers Guards, the militia unit which helped quall the uprising of 1879. Topics covered in the collection include Indian agents, banking, Saguache county, and Wil Tufford.

Charles Wellington Furlong (1895 - 1967) was a noted explorer, author, and artist. He traveled extensively through the Balkans and Middle East during the early twentieth century and served as a military observer in the latter region during World War I. This collection broadly encompasses the years 1918 to 1945 and includes materials relating to Furlong’s experience abroad, as well as his research and diplomatic interests in the region.

This is a collection of memorabilia of Charlotte Collie and her family, including photos, diplomas, newspaper clippings, and articles. The granddaughter of Dr. Richard Bard of Boulder, Charlotte Collie was born in 1884 in the community of Sugar Loaf, later named Delphi and Wallstreet, Boulder County. An artist and teacher, Charlotte Collie graduated from the University of Colorado in 1906.

Chauncey Thomas' “The Snow Story.” 2 folders. 18 page typescript with corrections, 5/4/37. Rocky Mountain News with printed story. Typed letter, signed 2/15/39 from C. Thomas to Prof. H.R. Warfel. Typed letter, signed, 5/16/64 from W.G. Gaffney to H.R. Warfel. Donor: H.R. Warfel, November 23, 1970.

The Chava Weissler papers include materials from her scholarship career, including research conducted on the Jewish Renewal Movement, her dissertation, book, and lectures that she gave on the subject. The collection also includes some of her research, ephemera collected at various events and retreats, as well as audio and visual materials from her work in this subject area.

The Chicago-Colorado Colony was conceived in Chicago in 1870. In the following year colonists began arriving on the site near the town of Burlington in Boulder County. The colony eventually became the present city of Longmont. The collection contains record books of lot sales, minutes of Trustee meetings, a Day Book, and an 1871 pamphlet describing the colony.

This collection consists of a variety of art prints, posters, handbills, and political ephemera related to and inspired by the Chicano Movement, also known as El Movimiento. The movement, which started in the late 1960s and early 1970s, was a social and political movement in the United States inspired by previous acts of resistance by people of Mexican descent.

The Christopher J. Burns Collection consists of articles, newspapers, journals, notes, correspondence, brochures and advertising material collected by Burns, who was a member of the University of Colorado Journalism faculty from September 1950 until his death on December 20, 1980.

Correspondence, handwritten poetry, essays, articles, book reviews, centered on Scottish nationalism and pamphlets and newspaper ads related to Grieve's candidacy in a parliamentary elections.

Contains notices of meetings, including comments on the issues to be discussed. The League, also called the Committee of Civic Safety, was concerned with bringing about a judicious and economical city administration in Boulder, Colorado.

Starting in the 1950s, the federal government established a peace-time civil defense program in response to heightened public concern over the threat of nuclear war. Defense efforts centered upon designating shelters and paths for evacuation from affected areas.

U.S. Federal Civil Works Administration interviews in Colorado counties, 1933-1934, produced for the Colorado State Historical Society. Materials included on the film are pamphlets, speeches, genealogy and reminiscences of people interviewed.

Copy of the Constitution and By-Laws of the Civilian Club of Grand Junction plus a file of their weekly newsletter the Civichat.

Danielson grew up in Basalt, Colorado. Clarence became a railroad man and Ralph an ophthalmologist.