Antzeko izenburuak: Gesundheitsversorgung am Lebensende
Gaia: Social Structure
- An Oral History of the Special Olympics in China Volume 1
- An Oral History of the Special Olympics in China Volume 3
- Social Background and the Demographic Life Course: Cross-National Comparisons
- Gesundheitsversorgung am Lebensende
- Die Grenzen der EU
- An Oral History of the Special Olympics in China Volume 2