| Author's List |
| title | creator | language | description | tableOfContents | contributor | subject | created |
| Occurrence of the Garter Snake, Thamnophis sirtalis, in the Great Plains and Rocky Mountains | en | 2010-09-28 | |||||
| An Occurrence at Owl Creek Bridge | Bierce, Ambrose, 1842-1914? | en | Short stories; United States -- History -- Civil War, 1861-1865 -- Fiction | 1995-12-01 | |||
| Five Hundred Mistakes of Daily Occurrence in Speaking, Pronouncing, and Writing the English Language, Corrected | Anonymous | en | 2010-03-25 |