His From Cape to Cairo, c1989: CIP t.p. (David Ewing Duncan)

His Pedaling the ends of the earth, c1985: CIP t.p. (David Duncan)

U.S. copyright files, 8/17/90 (Duncan, David Ewing, 1958- )

Residents, c1996: CIP t.p. (David Ewing Duncan) data sheet (b. 03-08-58)

His Talking to robots, 2019: back flap (Journalist, author and researcher David Ewing Duncan has covered the intersection of technology and humanity for Wired, vanity Fair, the New York times, Atlantic, Fortune, NPR, ABC News and many others. He is the author of nine books which have been translated into over twenty languages, including the internationsl bestseller The Calendar, and Experimental Man. ... He is the founding director of the Center for Life Science Policy at UC Berkeley.)