Bibliography: List of Sources by Subject Area
This bibliography has approximately 500 books in 35 different subject areas. In this list only the titles of books and author's names are given. For the publisher and year of publication consult the Alphabetical Bibliography.
The following 35 subject areas are included
(Simply click on a subject to go to its list.)
Martin Gray is a cultural anthropologist, writer and photographer specializing in the study of pilgrimage traditions and sacred sites around the world. During a 40 year period he has visited more than 2000 pilgrimage places in 165 countries. The World Pilgrimage Guide at sacredsites.com is the most comprehensive source of information on this subject.