| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Leadership Development | 978-0-07-056913-3 (0-07-056913-4) | 1986 | George Shinn |
| Working in Agricultural Mechanics | 978-0-07-000843-4 (0-07-000843-4) | 1978 | |
| Working in Agricultural Mechanics | 978-0-07-000845-8 (0-07-000845-0) | 1978 | |