Hull, John M. Touching the rock : an experience of blindness / John M. Hull. - 1st American ed. - New York : Pantheon Books, c1990. - 218 p. ; 22 cm. ISBN: 0679401687 : $19.95 LCCN: 90053409 LC Class. No.: HV1947.H85 .A3 1991 / A3 1991 Dewey Class. No.: 362.4/1/092 B