LCCN 05-37178: His Genera plantarum ad exemplaria imprimis in herbariis kewensibus servata definita, 1862-83 (hdg.: Bentham, George, 1800-1884; usage: G. Bentham)
LC data base, 7-10-86 (hdg.: Bentham, George, 1800-1884; usage: G. Bentham; George Bentham)