Putnam, Robert D. 2001. Bowling Alone: The Collapse and Revival of American Community. New York: Simon and Schuster.
Putnam, Robert D., Lewis Feldstein, and Donald J. Cohen. 2003. Better Together: Restoring the American Community. New York: Simon and Schuster.
Talbot, Margaret. 25 June 2000. "Who Wants to be a Legionnaire?" The New York Times.
Wills, Gary. 2000. "Putnam's America." The American Prospect 11 (16).
Scholarly Journal Articles
DeFilippis, James. 2001. "The Myth of Social Capital in Community Development." Housing Policy Debate 12 (4): 781-806.
Putnam, Robert D. 1995a. "Bowling Alone: America's Declining Social Capital." Journal of Democracy 6 (1): 65-78.
Putnam, Robert D. 1995b. "Tuning In, Tuning Out: The Strange Disappearance of Social Capital in America." Political Science and Politics 28 (4): 664-83. Reprinted in Foundations of Social Capital. Ed. Elinor Ostrom and T.K. Ahn. Edward Elgar, 2003.
Public Policy Reports
Caiazza, Amy, and Robert D. Putnam. July 2002. Women's Status and Social Capital Across the States. Briefing Paper for the Institute for Women's Policy Research.
Policy Research Initiative, Government of Canada. September 2005. Social Capital as a Public Policy Tool: Project Report.
Sander, Thomas. April 2005. E-Associations: Can Technology Reverse Declining Civic Engagement? In Taubman Center for State and Local Government Annual Report.
Briggs, Xavier de Souza. 1997. "Social Capital and the Cities: Advice to Change Agents." National Civic Review 86 (2): 111-118.
Giles, Jim. 15 December 2005. "Internet Encyclopaedias go Head to Head." Nature 438: 900-901.
Putnam, Robert D. 1996. "The Strange Disappearance of Civic America." The American Prospect 7 (24).
Putnam, Robert D. 1993. "The Prosperous Community." The American Prospect 4 (13).
Reprinted in Foundations of Social Capital. Ed. Elinor Ostrom and T.K. Ahn. Edward Elgar, 2003.
Putnam, Robert D. June 2005. "1996: The Civic Enigma." The American Prospect 16 (6): 33.
Putnam, Robert D., and John M. Bridgeland. 3 December 2004. "A Nation of Doers Needs to Do More." Philadelphia Inquirer.
Sanders, Thomas H. 14 November 2005. "A Friend in Need." Boston Globe.
Vedantam, Shankar. 23 June 2006. "Social Isolation Growing in U. S., Study Finds: Many Americans Have Less of a Safety Net of Close Friends and Confidants." The Washington Post.