1. Allahyari, R. A. 2000. Visions of charity: Volunteer workers and moral community. Berkeley, CA: University of California Press, A study of volunteering in two Sacramento charities serving the homeless.
2. Smith, D. H., Stebbins, R. A., & Dover, M. 2006. A dictionary of nonprofit terms and concepts. Bloomington, IN: Indiana University Press, Volunteer and volunteering are theoretically integrated here with a myriad of other nonprofit sector terms and concepts.
3. Stebbins, R. A. 1996. Volunteering: A serious leisure perspective. Nonprofit and Voluntary Sector Quarterly, 25, 211–224, Initial conceptualization of volunteering as serious and casual leisure.
4. Stebbins, R. A. 2000. Antinomies in volunteering: Choice/obligation, leisure/work. Société et Loisir/Society and Leisure, 23, 313–326, A research report on how volunteers define their volunteering.
5. Stebbins, R. A. 2001. Volunteeringmainstream and marginal: Preserving the leisure experience. In M. Graham, & M. Foley (Eds.),Volunteering in leisure: Marginal or inclusive? (Vol. 75). Eastbourne, UK: Leisure Studies Association, A further discussion of marginal volunteering.