- Walking around Halle
- Brittany
- Glaucha - history of a suburb
- Welsh as a Celtic language
- Wales - country of the Celts
- Travelling in Wales
- Walking in the Saale-Unstrut-Triasland
- Walking in the Mansfelder Land and Unteres Saaletal
- Megalithic tombs and standing stones in Saxony-Anhalt
- The Luther Path in Saxony-Anhalt
- Cornwall - myths and legends in Celtic place names
Some of these lectures are offered in night classes by the Volkshochschule Halle und Leipzig.