• Deliberate efforts to remember the event and its heroes collectively, through commemorative ceremonies, public observation of anniversaries, and the erection of monuments; and

• Sustained public interest in the remembering process, including, down the line, some contestation among politically interested groups over how the remembering should be done.

Some future attacks may be of such magnitude and drama as to constitute additional cultural traumas for the nation. Even these, however, will be read and remembered in the cultural context established by September 11.

Barton, Allen H. 1969. Communities in Disaster: A Sociological Analysis of Collective Stress, Doubleday and Co., New York.

Drabek, T.E. 1986. Human System Responses to Disaster: An Inventory of Sociological Findings, Springer-Verlag, New York.

Durkheim, Émile. 1949. The Division of Labor in Society (translated by George Simpson, originally published in 1891), The Free Press of Glencoe, New York.

Killian, L.M. 1951. “The Significance of Multiple-Group Membership in Disaster,” American Journal of Sociology, Vol. 57, pp. 309-314.

Kreps, G.A., and S. I. Bosworth. 1993. “Disaster, Organizing, and Role Enactment: A Structural Approach,” American Journal of Sociology, Vol. 99, pp. 428-463.

Lindell, Michael K., and Ronald W. Perry. 1992. Behavioral Foundations of Community Emergency Management, Hemisphere Publishing Corporation, Washington, D.C.

Liu, S., L.E. Quenemoen, J. Maililay, E. Noji, T. Sinks, and J. Mendlein. 1996. “Assessment of a Severe-Weather Warning System and Disaster Preparedness, Calhoun County, Alabama, 1994,” American Journal of Public Health, Vol. 86-89.

Mileti, D.S., C. Fitzpatrick, and B.C. Farhar. 1990. Risk Communication and Public Response to the Parkfield Earthquake Prediction Experiment, Hazard Assessment Laboratory, Colorado State University, Fort Collins, Colo.

New York Times. 2001. “Armageddon Then and Now,” Week in Review, December 23, p. 12.

New York Times. 2001. “Headlines from the Cutting Room Floor,” Week in Review, December 23, pp. 1, 4.

O’Gorman, Frank. 1997. The Long Eighteenth Century: Political and Social History 1688-1832, Arnold Press, London.

Quarantelli, Enrico L. 1977. “Panic Behavior: Some Empirical Observations,” Human Responses to Tall Buildings, Dowden, Hutchinson and Ross, Stroudsburg, Penn.

Smelser, Neil J. 1962. Theory of Collective Behavior, The Free Press, New York.

Smith, Adam. 1937. An Inquiry into the Nature and Causes of the Wealth of Nations (1776), The Modern Library, New York.

Spencer, Herbert. 1897. The Principles of Sociology, D. Appleton and Company, New York.

Tierney, Kathleen J., Michael K. Lindell, and Ronald W. Perry. 2001. Facing the Unexpected: Disaster Preparedness and Response in the United States, Joseph Henry Press, Washington, D.C.

Working Group on Natural Disaster Information Systems (Subcommittee on Natural Disaster Reduction). 2000. Effective Disaster Warnings, National Science and Technology Council, Office of the President of the United States, Washington, D.C.