March 1974 issue of Opus International focusing on Marcel Duchamp. Articles include "Etant donné Marcel Duchamp 1) Individualiste révolutionnaire 2) respirateur," by Alain Jouffroy; "Bi lingual ography I and Marcel," by Man Ray; "Qu'y a-t-il dans un mot?," by Arturo Schwarz; "Statue de Mot pour Marcel," by Robert Cordier; "Les Symboles chez Marcel Duchamp," by Jindrich Chalupecky; "Duchamp á New York: Le Grand Oeuvre," by Kim Levin; "Etant Donnés: La derniére oeuvre de Duchamp," Nicolas Calas; "Entendre John Cage, entendre Duchamp," dialogue avec Alain Jouffroy; "L'utilité d'un passé déterminé," by Allan Kaprow; "Hommage á Marcel Duchamp: A Balcony Piece," by Michael Kirby; :Le Château de la Pureté," by Octavio Paz; "36 Questions á Daniel Pommereulle autour de Duchamp," by Jean-Clarence Lambert; "Le Ready-Made, ou la fausse réconcilation d l'art et de la vie," by Alain Roussel; "Trois Fenêtres," by Ben; "Le Roman-momie de la Mariée," by Gerard Durozoi; Persistent et Signent," by Gerald Gassiot-Talabot; "Comment s'en débarrasser, ou un an plus tard," by Gilles Aillaud, Arroyo, Recalcati; "Post-Scriptum," by Gilles Aillaud; "M.D. ne Broie plus son chocolat lui-même," by Michel Troche; and "Note sur l'usage abusif de Marcel Duchamp," by Enrico Crispolti. Text in French.