| Cah. ORSTOM Sci. Humaines | Cahiers ORSTOM Sciences Humaines |
| Cambridge Anc. Hist. | Cambridge Ancient History |
| Cat. Drgs Col. RIBA | Catalogue of the Drawings Collection of the RIBA |
| Ceán Bermúdez | J. A. Ceán Bermúdez: Diccionario histórico de los más ilustres profesores de las bellas artes en España, 6 vols (Madrid, 1800/R 1965) |
| Col. Ecole Fr. Rome | Collection de l’Ecole française de Rome |
| Colnaghi | D. E. Colnaghi: A Dictionary of Florentine Painters from the 13th to the 17th Centuries (London, 1928) |
| Colvin | H. M. Colvin: A Biographical Dictionary of British Architects, 1600–1840 (London, 1954, rev. 2/1978) |
| Comanducci | A. M. Comanducci: Dizionario illustrato dei pittori, scultori, disegnatori e incisori italiani moderni e contemporanei, 5 vols (Milan, 1934, rev. 3/1962) |
| Contemp. Architects | M. Emanuel, ed.: Contemporary Architects (London, 1980, rev. 1986) |
| Contemp. Artists | M. Emanuel and others, eds: Contemporary Artists (London, 1977, rev. 1983) |
| Contemp. Designers | A. Lee Morgan, ed.: Contemporary Designers (London, 1984, rev. 2/1985) |
| Contemp. Phots | G. Walsh, C. Naylor and M. Held, eds: Contemporary Photographers (New York, 1982, rev. 1988) |
| Corp. Vasorum Ant. | Corpus vasorum antiquorum |
| Corp. Vitrearum Med. Aevi | Corpus vitrearum medii aevi |
