The Bangor, Brewer and Penobscot County directory ..
Smith, Augustus C., [from old catalog] comp; Bugbee, David, & co., Bangor, pub. [from old catalog]; Stanwood, William F., Bangor, pub. [from old catalog]; Symonds, Chase and company, Boston, pub. [from old catalog]; Greenough, Jones & co., Boston, pub. [from old catalog]; Greenough & co., Boston, pub. [from old catalog]; Greenough, W. A. & co., Boston, pub. [from old catalog]; Littlefield directory publishing co., Boston, pub. [from old catalog]