Book Publishing Company (TN) · Heyne · MND Books
| title | ISBN-13 | year of publica- tion | |
|---|---|---|---|
| A Cooperative Method of Natural Birth Control | 978-0-913990-84-1 | 1992 | |
| A Cooperative Method of Natural Birth Control | 978-0-913990-06-3 | 1976 | |
| Cooperative Method of Natural Birth Control | 978-0-913990-13-1 | 1982 | |
| Kursbuch Eltern: Natürliche Geburtenkontrolle. Eine kooperative Methode. . | 978-3-453-04975-8 | 2000 | |
| Signs of Fertility: The Personal Science of Natural Birth Control | 978-0-940847-08-8 | 1998 | |
| Signs of Fertility: The Personal Science of Natural Birth Control | 978-0-940847-07-1 | 1987 | |
| The Fertility Question | 978-0-913990-43-8 | 1982 |