1. Achenbaum AW (1978) Old age in the new land: The American experience since 1790. Johns Hopkins University Press, Baltimore, MD
2. Baars J (2006) Beyond neomodernism, antimodernism, and postmodernism: Basic categories for contemporary critical gerontology. In: Baars J et al (eds) Aging, globalization and inequality: The new critical gerontology, Amityville. Baywood, NY pp 17–42
3. Braverman H (1974/1998) Labor and monopoly capital: The degradation of work in the twentieth century, 25th anniversary edition. Monthly Review Press, New York, NY
4. Carstensen LL, Fung HH, Charles ST (2003) Socioemotional selectivity theory and the regulation of emotion in the second half of life. Motiv Emot 27(2):103–123
5. Chudacoff H (1989) How old are you? Age consciousness in America. Princeton University Press, Princeton, NJ