| title | ISBN-13 (ISBN-10) | year of publica- tion |
|---|---|---|
| Executive success: how to achieve it--how to hold it | 978-0-13-294595-0 (0-13-294595-9) | 1973 |
| How to use "top secrets" of innovation to expand company profits and the executive's personal success | 978-0-13-457085-3 (0-13-457085-5) | 1973 |
| Negotiator's Factomatic | 978-0-13-611393-5 (0-13-611393-1) | 1988 |
H. Koch · H.W. · H.W. Koch · H. William · W K. · W Koch · William Koch