Books: co co education (sorted alphabetically)
- Christian Schools and Scholars Augusta Theodosia Drane
- Christopher Columbus and the New World of His Discovery — Volume 2 Filson Young
- Christopher Quarles: College Professor and Master Detective Percy James Brebner
- Churchwardens' Manual George Henry Sumner
- Ciarle e macchiette (Italian) Luigi Arnaldo Vassallo
- Cicero W. Lucas Collins
- Cítanka pro skoly obecné. Díl I (Czech) Jan Stastný, Jan Lepar, and Josef Sokol
- city Robert Ezra Park, E. W. Burgess, and Roderick Duncan McKenzie
- City of the Sun Tommaso Campanella
- Civil Government for Common Schools Henry C. Northam
- Civil Government of Virginia William Fayette Fox
- Civilization in the United States: An inquiry by thirty Americans
- Civilization of Illiteracy Mihai Nadin
- Class Book for the School of Musketry, Hythe Ernest Christian Wilford
- Classic French Course in English William Cleaver Wilkinson
- Clever Woman of the Family Charlotte M. Yonge
- Clothing and Health: An Elementary Textbook of Home Making Helen Kinne and Anna M. Cooley
- Clouds Aristophanes
- Cock-House at Fellsgarth Talbot Baines Reed
- Collected Works of Ambrose Bierce, Volume 09 Ambrose Bierce
- Collection of College Words and Customs Benjamin Homer Hall
- College Freshman's Don't Book George Fullerton Evans
- College Men Without Money Carl Brown Riddle
- College prolongs infancy Horace Meyer Kallen
- Colleges in America John Marshall Barker