| title | creator | language | description | tableOfContents | contributor | subject | created |
| Paul Clifford — Complete | Lytton, Edward Bulwer Lytton, Baron, 1803-1873 | en | | | | | 2004-11-26 |
| The World That Couldn't Be | Simak, Clifford D., 1904-1988 | en | | | | | 2010-04-17 |
| Very Short Stories and Verses For Children | Clifford, W. K., Mrs., -1929 | en | | | Campbell, Edith [Illustrator] | Children's stories, English; Children's poetry, English | 2009-10-16 |
| A Lover in Homespun
And Other Stories | Smith, F. Clifford (Frank Clifford), 1865-1937 | en | | A Lover in Homespun — The Faith that Removes Mountains — A Pair of Boots — A Prairie Episode — A Daughter of the Church — A Perilous Encounter — Le Loup-Garou — A Christmas Adventure — Narcisse's Friend — A Strange Presentiment — A Memorable Dinner. | | | 2005-10-12 |
| Color Value | Clifford, C. R. (Chandler Robbins), 1858-1935 | en | | | | Color; Interior decoration | 2008-04-11 |
| In Court and Kampong
Being Tales and Sketches of Native Life in the Malay Peninsula | Clifford, Hugh Charles, Sir, 1866-1941 | en | | | | Malays (Asian people); Malay Peninsula -- Description and travel | 2009-01-07 |
| In the Shadow of the Hills | Shedd, George C. (George Clifford), 1877-1937 | en | | | | | 2009-09-20 |
| Hellhounds of the Cosmos | Simak, Clifford D., 1904-1988 | en | | | | | 2008-10-24 |
| Empire | Simak, Clifford D., 1904-1988 | en | | | | | 2009-02-28 |
| Project Mastodon | Simak, Clifford D., 1904-1988 | en | | | | Science fiction; Time travel -- Fiction | 2007-08-02 |
| A Mind That Found Itself
An Autobiography | Beers, Clifford Whittingham, 1876-1943 | en | | | | | 2004-04-01 |
| The Iron Furrow | Shedd, George C. (George Clifford), 1877-1937 | en | | | Botkin, Henry A. [Illustrator] | | 2005-11-18 |