↑(en-US) Special Cable to THE NEW YORK TIMES, « I G. CAVENDISH-BENTINCK DEAD.; Wife Was Elizabeth Livingston, Sister of Mrs. Ogden Mills. », The New York Times, (ISSN0362-4331, lire en ligne, consulté le )
↑Cuyler The Library of Congress, Genealogical and family history of southern New York and the Hudson River Valley : a record of the achievements of her people in the making of a commonwealth and the building of a nation, New York : Lewis Historical Pub. Co., (lire en ligne)