1. An age-irrelevant concept of development;Baer;Merrill-Palmer Quarterly,1970
2. The control of developmental process: Why wait?;Baer,1973
3. The organism as host;Baer;Human Development,1976
4. Some comments on the awarding of the G. Stanley Hall Medal to Sidney W. Bijou;Baer;Newsletter, American Psychological Association Division on Developmental Psychology,1980
5. Behavioral analysis of aging: A review of the operant model and research;Baltes;International Journal of Behavioral Development,1979