Lives of the Lord Chancellors and Keepers of the Great Seal of England from the earliest times till the reign of King George IV - Campbell, John Campbell 1779-1861 (J. Murray, 1868)
Includes bibliographical references and index. - OCLC, 32577056. - Reproduction of original from Yale Law School Library. - Vols. 2 and 3 of microfiche set are from the 4th ed., 1856-1857