Description![AJCoxCo.jpg][1]A. J. Cox & Co Advertised in the Chicago Blue Book in 1890. image not available. Label collection ABM prov. TJ In 1877 Donnelley joined A.J. Cos to form A, J. Cox & Co. Regan Printing House: Chicago in Connection with the Printing Business,1912, pg115 Chicago Illinois Letters and other document are in the Newberry Library, Chicago [1]: /media/attachments/bbdir_entry/522/AJCoxCo.jpg (A. J. Cox Co.)