A PHOTOGRAPHIC RECORD OF DUCHAMP’S WORK, WITH CAPTIONS IN HIS HAND. WITH ADDITIONAL PHOTOS OF MAX ERNST, MAN RAY, AND PEGGY GUGGENHEIM. WITH 57 VINTAGE IMAGES: 20 OF DUCHAMP AND 37 OF MAX ERNST. More about A Portable Retrospective in Photographs: Autograph-Indexed Notebook of Duchamp's Work (c. 1950