McCrie was drawn by this conflict about the first principles of ecclesiastical theory to a thorough and searching study of Scottish church history, in its organic connection with the national life, and with the general development of protestant civilisation. The first fruit of his labour was the life of
Knox, finished in November 1811, Its breadth of treatment was something new in ecclesiastical biography. It effected a revolution in the public estimate of its subject, akin to that achieved by
Carlyle's '
Cromwell,' though by different means. His biography of
Melville (November 1819) pursues the theme of the Scottish national career under the influence of the Reformation. The post-Reformation church history of Scotland he did not treat with the same fulness: his life of
Alexander Henderson, in the 'Christian Instructor,' vol. x., is little more than a personal sketch. Later he broke new ground in his histories of the Italian (1827) and Spanish (1829) movements of evangelical and free opinion at the era of the Reformation; which nothing is more admirable than the fairness of his dealing with schools of thought very different from his own. It is to be lamented that he did not live to execute a projected life of
Calvin. 'His literary genius,' says
Professor Lorimer, "was neither wholly historical nor wholly biographical, but found congenial employment in biographical history or historical biography, buying equal delight in the personal traits and minute facts appropriate to the one, and in the broad views and profound principles characteristic of the other. It is not often that biographers make good historians, or that historians are equally great in biography, but be was equally great in both" (Imperial Dict. of Biog. pt. xiii. p. 265). ==Divinity professor==