Church and State 1 Sidney Z. Ehler and John B. Morrall, translators and editors: Church and State Through the Centuries. A collection of historic documents with commentaries, (Westminster, Maryland: The Newman Press, 1954. Pp. xiv, 625. $6.75.) 2 Annabelle M. Melville: John Carroll of Baltimore: Founder of the American Catholic Hierarchy. (New York: Charles Scribner's Sons. 1955. Pp. ix, 338. $4.50.) 3 Patrick Henry Ahern: The Life of John J. Keane Educator and Archbishop 1839–1918. (Milwaukee: The Bruce Publishing Company. 1955. Pp. viii, 396. $3.60.)