| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Architectural Psychology | 978-0-07-035610-8 (0-07-035610-6) | 1978 |
| Non-visual effects of light and colour: Annotated bibliography | 978-91-540-3605-9 (91-540-3605-4) | 1981 |
R.K. · Richard Kähler · Richard Keeler · Richard Keller · Richard Kilroy · Richard Köhler · Richard Köller · Richard Kohler