Sugerencias
Quizá quiso decir:
Harper, Denis Rawnsley
Harper, Harold
Harper modern science series
Harper, W.
Harper Collins pocket
Harper Torchbooks : The Science Library
Harper, John L.
Boyd, Harper W.
Harper Kemp, R.A.
Harper, David A.T.
Enríquez Harper, Gilberto
Harper, Kate
Harper international edition.
Harper perennial modern classics.
Cid Harper, Javiera
Harper reprint series in plant physiology
Harper, William L. William Leonard 1943-