| Author's List |
| title | creator | language | description | tableOfContents | contributor | subject | created |
| On the Spanish Main Or, Some English forays on the Isthmus of Darien. | Masefield, John, 1878-1967 | en | 2006-09-28 | ||||
| A Succinct View of the Importance and Practicability of Forming a Ship Canal across the Isthmus of Panama | Hill, H. R. | en | Canals, Interoceanic; Panama Canal (Panama) | 2009-06-29 |