The four volumes comprising this extensive work, which covers the Christian Era, are the result of sixteen years of extensive research in Europe as well as in America. The result of this persistent quest, including some three extensive trips to Europe, has been the assemblage of thousands of source documents now comprising the unique Advent Source Collection. This, in turn, forms the documentary basis for these volumes, which are here presented to the Christian church at large as a contribution to the sound and scientific study of the development of prophetic interpretation--jacket.