When and where did Warhol die ?
" The Philosophy of Andy Warhol ( From A to B & Back Again ) " ( 1975 , ISBN 0-15-671720-4 ) — according to Pat Hackett 's introduction to " The Andy Warhol Diaries " , Pat Hackett did the transcriptions and text for the book based on daily phone conversations , sometimes ( when Warhol was traveling ) using audio cassettes that Andy Warhol gave her .