The Nuttall Encyclopedia
An eloquent Scotch preacher, born at Greenock, Principal of Glasgow University, famous for a sermon entitled "The Religion of Common Life" preached before the Queen at Crathie in 1855; made a special study of the philosophy of religion, and wrote eloquently on it, more especially the Christian version of it (1820-1898).
Wood, James, ed. Entry for 'Caird, John'. The Nuttall Encyclopedia. https://www.studylight.org/encyclopedias/eng/nut/c/caird-john.html. Frederick Warne & Co Ltd. London. 1900.