| Author's List |
| title | creator | language | description | tableOfContents | contributor | subject | created |
| Conestoga Wagons in Braddock's Campaign, 1755 | Berkebile, Donald H. | en | Wagons; Braddock's Campaign, 1755 | 2009-08-10 | |||
| The 1893 Duryea Automobile In the Museum of History and Technology | Berkebile, Donald H. | en | 2009-09-22 |