This book is a clear documentation of historical and doctrinal proofs in religion. No tradition or doctrine of man is misrepresented. Opinions as to what was said or meant are eliminated. The reader can easily check the references in his own library or in a public library, together with his own Bible. Out of the hundreds of differing religious groups, the author has selected only a few of the leading ones - the larger, the older or the more influential from a doctrinal point of view.