| Author's List |
| title | creator | language | description | tableOfContents | contributor | subject | created |
| Operations Upon the Sea A Study | Edelsheim, Franz, Freiherr von, 1868- | en | Germany. Heer -- Transport service; Germany. Kriegsmarine; Sea-power; Transportation, Military | 2008-11-12 | |||
| Installation and Operation Instructions For Custom Mark III CP Series Oil Fired Unit | Anonymous | en | Boilers; Hot-water heating | 2009-02-25 | |||
| Reflections on the Operation of the Present System of Education, 1853 | Andrews, C. C. (Christopher Columbus), 1829-1922 | en | 2009-03-15 | ||||
| Operation R.S.V.P. | Piper, H. Beam, 1904-1964 | en | 2006-04-26 |