K.k. ยท K. Kochmann
| title | ISBN-13 | year of publication |
|---|---|---|
| Black Forest Clockmaker and the Cuckoo Clock | 978-0-9631669-1-3 | 1998 |
| Clock and Watch Trademark Index of European Origin | 978-0-9631669-4-4 | 2001 |
| Clockmaking in Europe: German-Austrian-Swiss-French trademarks | 978-0-933396-08-1 | 1980 |
| European Clockmaking: The Hamburg American Clock Company. | 978-0-933396-10-4 | 1980 |
| Lenzkirch Clock Factory , Winterhalder & Hofmeier Clocks | 978-0-933396-16-6 | 2006 |
| The Black Forest Cuckoo clock | 978-0-933396-07-4 | 1979 |