A small tract entitled A candid and impartial exposition of the various opinions on the subject of the comparative quality of the wheat and flour in the northern and southern sections of the United States, with a view to develop the true cause of the difference. To which are added instructions showing how to improve the character of the northern flour to an equality with that of the South; and preserve the latter from that depreciation which, in some places, it is of late so evidently undergoing;

Mode of access: Internet.