| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1982 | 978-0-911785-00-5 | Gary J Ober | Operating techniques for the tractor - loader - backhoe |
| 1999 | 978-0-911785-01-2 | '' | Operating techniques for the tractor loader backhoe |
| 2000 | 978-0-911785-02-9 | Tecnicas Operativas (Spanish) | |