Kenneth Richard Seddon · R. S. · Richard S.
North Atlantic Books · Temple Lodge Publishing
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Rudolf Steiner | 978-1-55643-490-7 (1-55643-490-1) | 2004 |
| The Future of Humanity and the Earth: As Foreseen by Rudolf Steiner | 978-1-902636-29-0 (1-902636-29-5) | 2002 |