Gospel sonnets : Or, Spiritual songs. In six parts. I. The believer's espousals. II. The believer's jointure. III. The believer's riddle. IV. The believer's lodging. V. The believer's soliloquy. VI. The believer's principles. Concerning, creation and redemption. Law and Gospel. Justification and sanctification. Faith and sense. Heaven and earth. The fortieth edition, in which the Holy Scriptures are fully extended. By the late Rev. Mr. Ralph Erskine, minister of the Gospel at Dunfermline. To which is now prefixed, an account of the author's life and writings.