Unlearned Language: New Studies in Xenoglossy
Author(s):
Dr. Ian Stevenson
Dr. Ian Stevenson
Publisher:
University of Virginia Press, 1984
ISBN: 0813909945

About
Authentic instances of speaking a language that has not been learned normally suggest that another personality (perhaps one of a previous life) has learned the language. Dr. Stevenson presents lengthy reports of two such cases.
This book is out of print but, it is available through various book sellers.