The National Union Catalog, Pre-1956 Imprints (754 volumes; London: Mansell, 1968-1981) (page images at HathiTrust)
New Online Books
http://catalog.hathitrust.org/Record/000140237
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The National Union Catalog, Pre-1956 Imprints (754 volumes; London: Mansell, 1968-1981) (page images at HathiTrust)
New Online Books
http://catalog.hathitrust.org/Record/000140237