Gruen, John. Keith Haring : the authorized biography / John Gruen. - London : Thames and Hudson, 1991. - x, 259 p. : ill. (some col.), ports.(some col.) ; 24 cm. Includes index. ISBN: 0500236291 Subjects--Personal Names: Haring, Keith Subjects--Topical Terms: Painters--United States. Dewey Class. No.: 759.13 HAR