James Cooper, Dictionary of National Biography… (1893)
“ The nave with its south aisle, fine porch, still finer west window (the ‘Seven Sisters’) , and western towers, not the spires, were his work; and, plain as the cathedral is, its size and the admirable suitability of its style to the intractable granite of which it is composed fairly entitle him to a place among the great church-builders of Scotland. He made other additions to the episcopal residence, embellishing either the bishop's palace or its grounds. ”
