defined an individual's social position is as inside or outside a bounded social group) and "grid" (how clearly defined an individual's social role is within networks of social privileges, claims and obligations). The group-grid pattern was to be refined and redeployed in laying the foundations of Cultural Theory. Works Peoples of the Lake Nyasa Region (1950) as Mary Tew The Lele of the Kasai (1963) Purity and Danger: An Analysis of Concepts of Pollution and Taboo (1966) "Pollution", in International Encyclopedia of the Social Sciences, edited by David L. Sills and Robert K. Merton (New York, Macmillan Co. and the Free Press, 1968). Natural Symbols: Explorations in Cosmology (1970) (John Desmond Bernal Prize for 1995) Implicit Meanings: Essays in Anthropology (1975). The World of Goods: towards an anthropology of consumption (1979) with Baron Isherwood Evans-Pritchard (Fontana Modern Masters, 1980) Risk and Culture (1980) with Aaron Wildavsky In the Active Voice (1982) How Institutions Think (1986) Missing persons: a critique of the social sciences (1988) with Steven Ney Risk and Blame: Essays in Cultural Theory (London: Routledge, 1992). In the Wilderness: The Doctrine of Defilement in the Book of Numbers (1993) Thought styles: Critical essays on good taste (1996) Leviticus as Literature (1999) Jacob's Tears: The Priestly Work of Reconciliation (2004) Thinking in Circles (2007) Editorial work Rules and Meanings. The Anthropology of Everyday Knowledge: Selected Readings, ed. by M. Douglas (Penguin Books, 1973). Constructive Drinking: Perspectives on Drink from Anthropology, ed. by M. Douglas (1987) See also Risk perception Cultural Theory of risk Sacred contagion References Sources Richard Fardon, Mary Douglas: an Intellectual Biography (1999) Richard Fardon (2020). « Mary Douglas, mémoire(s) d’un biographe », in BEROSE - International Encyclopaedia of the Histories of Anthropology, Paris. Richard Fardon (2020). « L’immortalité, déjà ? Ou la postérité de Mary Douglas », in BEROSE - International Encyclopaedia of the Histories of Anthropology, Paris. External links Mary Douglas Papers, 1948–1985, Northwestern University Archives, Evanston, Illinois Sketch from Univ of Pennsylvania as Honorary degree recipient in 2000 Bibliography Obituary in The Guardian Obituary in The Times Obituary in The Daily Telegraph, 22 May 2007. New York Times obituary The Star Obituary Commonweal Anthropology with a Difference Interviewed by Alan Macfarlane 26 February 2006 (video) A web site exploring the continuing legacy of Mary Douglas, especially with reference to her Grid-Group typology. Mary Douglas at "Pioneers of Qualitative Research" from the Economic and Social Data