Text ( visual ) : unmediated Absolute proof / Stephen Frey. -- London : Penguin , 1998. -- 296 p. ; 18 cm. -- (Penguin books). -- Originally published in America as: The legacy. 1998. -- ISBN 0140267875 ; (BA39089924) ; https://ci.nii.ac.jp/ncid/BA39089924 Author Heading(s): Frey, Stephen W.. -- Subject Heading(s): BLSH : Kennedy, John F. (...John Fitzgerald...), 1917-1963 -- Assassination -- Fiction