1. Anheier, H., & Salamon, L. M. (1998). The nonprofit sector in the developing world: A comparative analysis. New York: Manchester University Press.
2. Baer, D., Prouteau, L., Swindell, D., Savicka, A., Smith, D. H., & Tai, K.-T. (2016). Chapter 26: Conducive macro-contexts influencing volunteering. In D. H. Smith, R. A. Stebbins, & J. Grotz (Eds.), The Palgrave handbook of volunteering, civic participation, and nonprofit associations (pp. 580–606). Basingstoke: Palgrave Macmillan.
3. Bekkers, R., Konrath, S. H., & Smith, D. H. (2016). Chapter 25: Physiological correlates of volunteering. In D. H. Smith, R. A. Stebbins, & J. Grotz (Eds.), The Palgrave handbook of volunteering, civic participation, and nonprofit associations (pp. 549–579). Basingstoke: Palgrave Macmillan.
4. Bradfield, R. M. (1973). A natural history of associations (2 vols.). London: Duckworth.
5. Bresler, R. J., Krasynska, S., Arugay, A. A., Pikulik, A., & Smith, D. H. (2016). Chapter 45: Civil liberties and freedoms as association contexts. In D. H. Smith, R. A. Stebbins, & J. Grotz (Eds.), The Palgrave handbook of volunteering, civic participation, and nonprofit associations (pp. 1093–1115). Basingstoke: Palgrave Macmillan.