1. Vom Armenhaus zum Wohlfahrtsstaat;Alber,1982
2. Retirement as a Social Institution;Atchley;Annual Review of Sociology,1982
3. The Cultural Contraditions of Capitalism;Bell,1976
4. Work and the Life-course: Historical Perspectives on Retirement;Conrad,1985
5. Das System der gesetzlichen Rentenversicherung;Döring,1980