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Philip Schaff (ed.) · 1890

...to Smith and Wace’s Dictionary of Christian Biography, which has been constantly at my side, and to the first and second volumes of Schaff’s Church History, whose bibliographies have been especially serviceable. Many of Valesius’ Henri Valesius, a 17th-century editor of Eusebius. notes were very suggestive and remain valuable despite the great advances in historical knowledge since his day. Less can be said for Heinichen’s commentary. Richardson’s Bibliographical Synopsis, published as a supplement to the Ante-Nicene Library, did not reach me until most of the work was completed. It proved helpful for the notes on the latter portion, and its existence allowed me to omit the extended lists of books I otherwise would have had to provide.
Three years ago, I had the privilege of studying parts of the fourth and fifth books of Eusebius’ Church History with Professor Adolf Harnack in his Seminar original: "Seminar" (an academic research class). at Marburg. I owe special thanks to that eminent scholar for his help and inspiration, and for the light he shed on many difficult passages.
I am also pleased to acknowledge my obligations to Dr. Isaac G. Hall of New York and Dr. E. C. Richardson of Hartford for information concerning certain editions of the History; to the Rev. Charles R. Gillett, Librarian of Union Theological Seminary, and the Rev. J. H. Dulles, Librarian of Princeton Theological Seminary, for granting me library access and for their unfailing courtesy. I also thank Mr. James McDonald of Shelbyville, Kentucky, for his translation of the Testimonies for and against Eusebius, printed at the end of the Prolegomena, and Mr. F. E. Moore of New Albany, Indiana, for his assistance with the indexes.
LANE THEOLOGICAL SEMINARY,
April 15, 1890.