Dutton · William Morrow and Company
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The True Sound of Music: A Practical Guide to Sound Equipment for the Home | 978-0-525-22380-1 (0-525-22380-0) | 1973 |
| William Penn: Apostle of dissent | 978-0-688-00310-4 (0-688-00310-9) | 1974 |