1963 “Introduction.” In African Agrarian Systems, edited by Daniel P. Biebuyck, pp. 1-64. London: Oxford University Press. Reprint edition, 1966. Read the textAgrarian Systems

1963 “Systèmes de tenure foncière et problèmes fonciers au Congo.” In African Agrarian Systems, edited by Daniel P. Biebuyck, pp. 83-100. London: Oxford University Press. Reprint edition, 1966. Read the text: Système de tenure

1964 “Land Holding and Social Organization.” In Economic Transition in Africa, edited by M. J. Herskovits and M. Harwitz, pp. 99-112. Evanston, Illinois: Northwestern University Press. Read the textLand Holding

1964 “Six Nyanga Texts”. In A Selection of African Prose, Vol. 1, edited by W.H. Whiteley, pp. 55-61. Oxford: Clarendon Press. Read the text: Six texts

1965 “Prières des chasseurs Nyanga.” In Textes sacrés d’Afrique noire, edited by G. Dieterlen, pp. 135-43. Paris: Gallimard. Read the textPrières

1967  “Effects on Lega Art of the Outlawing of the Bwami Association.” In New African Literature and the Arts, edited by Joseph Okpaku, pp. 340-52. New York: Thomas Y. Crowell Co. Read the text: Outlawing Bwami

1967 Entry on “Lega” in Encyclopedia Britannica. Read the textLega in Britannica

1969 “Introduction.” In Tradition and Creativity in Tribal Art, edited by Daniel Biebuyck, pp. 1-23. Los Angeles and Berkeley: University of California Press; University of California Press Paperbacks, 1973. Read the textTribal Art

1971 “The Problem of the Function of African Art.” In Contributions to the Colloquium on the Function and Significance of Negro-African Art in the Life of the People and for the People,  First World Festival of Negro Arts. Dakar. March 30-April 8, 1966. Published by the Society of African Culture and UNESCO, pp. 278-82. Paris: Présence africaine. Read the textFunction of African Art

1972 “The Kindi Aristocrats and Their Art among the Lega.” In African Art and Leadership, edited by D. Fraser and H. Cole, pp. 7-20. Madison: University of Wisconsin Press. Read the textKindi Aristocrats

1972 “The Epic as a Genre in Congo Oral Literature.” In African Folklore, edited by Richard M. Dorson, pp. 257-74. Bloomington: Indiana University Press. New York: Doubleday & Co. Read the text: Congo Epic

1975 “Zaire (Nyanga Tales).” In Folktales Told around the World, edited by Richard M. Dorson, pp. 380-87. Chicago: University of Chicago Press. Read the text: Nyanga Tales

1976 “The Decline of Lega Sculptural Art.” In Ethnic and Tourist Arts: Cultural Expressions from the Fourth World, edited by N. Graburn, pp. 334-39. Berkeley and Los Angeles: University of California Press. Decline Lega Art

1976 “Art of Africa: Central Africa.” In Encyclopedia of Anthropology, edited by Phillip Whitten and David E. Hunter, pp. 23-24. New York: Harper and Row. Read the text: Art of Africa

1977 “Schemata in Lega Art.” In Form in Indigenous Art: Schematisation in the Art of Aboriginal Australia and Prehistoric Europe, edited by Peter Ucko, pp. 59-65. Canberra: Australian Institute of Aboriginal Studies. Read the articleSchemata in Lega Art

1978 “The African Heroic Epic.” In Heroic Epic and Saga: An Introduction to the World’s Great Folk Epics, edited by Felix J. Oinas, pp. 336-67. Bloomington: Indiana U. Press. Read the articleAfrican Heroic Epic

1981 Entries on Lega and Bembe. In For Spirits and Kings: African Art from the Paul and Ruth Tishman Collection, pp. 221, 234. New York: Metropolitan Museum of Art.

1981 “Plurifrontal Figurines in Lega Art (Zaire).” In The Shape of the Past: Studies in Honor of Franklin D. Murphy, edited by G. Buccellati and Ch. Speroni, pp. 115-27. Berkeley and Los Angeles: University of California Press. Read the articlePlurifrontal Figurines

1983 “Lega Spoons.” In Liber Memorialis for Professor Vandenhoutte, edited by H. Burssens, pp.51-66. Ghent: State University. Read the article: Lega spoons

1985 Entries on Bembe, Lega and Mbole. In Art and Life in Africa: Selections from the Stanley Collection, pp. 110, 113-114, 116. Iowa City: University of Iowa Museum of Art.

1986 “Drama, African Religious.” In Encyclopedia of Religion, vol. 4, Mircea Eliade editor in chief, pp. 462-465. New York: Macmillan

1987 “Musée royal de l’Afrique centrale, Tervuren, Belgium.” In Art Museums of the World, edited by James L. Connelly et al., pp. 100-106. Westport, Conn: Greenwood Press.

1987 “Names in Nyanga Society and in Nyanga Tales.” In Comparative Research on Oral Traditions: A Memorial for Milman Parry, edited by John Miles Foley, pp. 47-71. Columbus, Ohio: Slavica Press. Read the textNames in Nyanga Society

1988 Entries on Bembe and Lega. In Afrikanische Kunst aus der Sammlung Barbier-Mueller, Geneva, edited by Werner Schmalenbach, pp. 281-285. Munisch: Prestel Verlag.

1989 “Dress and Body Adornment as Status and Power Symbols in Africa: The Nyanga Case.” In Man Does Not Go Naked. Textilien und Handwerk aus afrikanischen und anderen Landern, edited by Beate Engelbrecht and Bernhard Gardi, pp. 209-220. Basel: Basler Beiträge zur Ethnologie. Read the textAdornment as Status and Power Symbols

1992 “Central African Religion” and all entries on Songye, Luluwa, Yaka, Holo, Lega, Bembe sculptures from the Berlin Museum für Völkerkunde. In Kings of Africa, edited by Erna Beumers and Hans-Joachim Koloss, pp. 27-28, 315-318, 321-322. Maastricht: Foundation Kings of Africa.

1993 “Masks and Initiation among the Lega Cluster of Peoples.” In Het Gelaat van de   Geesten: Maskers uit het Zaire Bekken, edited by Frank Herremans and Constantijn Petridis, pp. 183-197. Antwerp: Etnografisch Museum. Translated as Face of the Spirits. Masks from the Zaire Basin. Read the text: Masks and Initiation

1995 Entries on Basikasingo, Bembe, pre-Bembe, Lega, Metoko, Mbole. In Treasures from the Africa-Museum, Tervuren, edited by G. Verswijver et al., pp. 372-382, Plates 201-222. Tervuren: Royal Museum for African Art.

1995 “Central Africa.” In Africa. The Art of a Continent, edited by Tom Phillips, pp. 231-234. London: Royal Academy of Arts

1996 “Lega and Lega-Related Peoples.” In Encyclopedia of World Art (vol. 19), edited by Jane Turner. Grove Press. pp. 72-75.

1996 Entries on Basikasingo, Bembe, pre-Bembe, Lega, Metoko, Mbole. In The Tervuren Museum. Masterpieces from Central Africa, edited by G. Verswijver et al., pp. 185-190, pl. 102-112. Munich: Prestel.

1997 “Art: Central Africa.” In Encyclopedia of Africa South of the Sahara, edited by John Middleton, vol. 1, pp. 132-138. New York: Charles Scribner’s Sons, Simon and Schuster Macmillan. Read the manuscript: Art visuel

1997 “Epics and Epic Poetry.” In Encyclopedia of Africa South of the Sahara, edited by John Middleton, vol. 2, pp. 48-51. New York: Charles Scribner’s Sons, Simon and Schuster Macmillan. Read the manuscript: Epics and Epic Poetry

1998 Entries on Basikasingo, Bembe, pre-Bembe, Lega, Mbole, Metoko. In Afrikanische Kunst. Verborgene Schätze aus dem Museum Tervuren, pp. 186-191, pl. 102-112. Munich: Prestel.

1999 Entries on Lega sculptures. In Afrika. Kunst und Kultur. Meisterwerke afrikanischer Kunst, Museum für Völkerkunde, edited by Hans-Joachim Koloss, pls. 172-173, pp. 229-230. Munich: Prestel.

2001 “Olbrechts and the Beginnings of Belgian Professional Anthropology” in, Frans M. Olbrechts (1899-1958): In Search of Art in Africa, edited by C. Petridis & de Pamelaere. Exhibit catalogue. Ethnographic Museum, Antwerp.

2003 “Tabourets des régions orientales de la République démocratique du Congo.” Sièges d’Afrique noire, du musée Barbier-Mueller, edited by Purissima Benitez Johannot Jean-Paul Barbier-Mueller. Milan : 5 continents éditions, pp. 53-57, catalogue descriptions, pp. 67-74, 84. See the English translation of the article: Stool

2004 “Central African Folklore: Overview.” African Folklore: An Encyclopedia. Ed. Philip M. Peek and Kwesi Yankah. New York, London: Routledge. pp. 53-57.

2014 Entries on Lega figurines and Masks. Catalog Sotheby’s. Read the textBonew collection

2016 Entry on Lega mask of the Stoclet collection. Catalog Sotheby’s. Read the text: Stoclet