| Author's List |
| title | creator | language | description | tableOfContents | contributor | subject | created |
| Supplementary Copyright Statutes, US Copy. Office | Library of Congress. Copyright Office | en | Circular 3: Copyright Notice -- Circular 15: Renewal of Copyright -- Circular 15t: Extension of Copyright Terms -- Circular 22: Highlights of Copyright Amendments Contained in the Uruguay Round Agreements Act (URAA) -- WIPO Copyright Treaty. | Copyright -- United States; Copyright | 2003-08-01 | ||
| A Master of Mysteries | en | The mystery of the circular chamber -- The warder of the door -- The mystery of the Felwyn Tunnel -- The Eight-Mile Lock -- How Siva spoke -- To prove an alibi. | Walton, J. Ambrose [Illustrator] | 2007-08-08 | |||
| The Circular Staircase | Rinehart, Mary Roberts, 1876-1958 | en | Fiction; Detective and mystery stories | 1996-02-01 | |||
| The Circular Study | Green, Anna Katharine, 1846-1935 | en | 2006-07-05 |