Union Catalogue of the Periodical Publications in the University Libraries of the British Isles with their Respective Holdings. Compiled on behalf of the Joint Standing Committee of Library Cooperation by Marion G. Roupel under the direction of L. Newcombe, John Wilks, W. Bonserand B. M. Headicar. pp. xii, 712. London: Joint Standing Committee of Library Co-operation, National Central Library. 1937 - A World Bibliography of Bibliographies. By Theodore Besterman. Vol. i: A—L. Pp. xxiv, 587. 1939. Vol. ii: M—Z, and index. Pp. 449, 192. 1940. London: Oxford Univ. Press. - The Guide to Catholic Literature, 1888–1940: An Author-Subject-Title Index in one Straight Alphabet of Books and Booklets, in all Launguages, on all Subjects, by Catholics or of Particular Catholic Interest, Published and Reprinted during the 52 Years, January I 1888 to January I I94O, with more than a Quarter of a Million Bibliographical, Descriptive and Critical Notes, each with Complete Reference to its Authoritative Source for Further Reference, Reading and Study by Walter Romig. Pp. 1240. Detroit: Walter Romig. 1940.