Internet : https://www.imdb.com/name/nm0358564 (2014-04-09)
Internet, https://www.loc.gov, juillet 2004
Information trouvée : 1895, New York, d. Aug. 23, 1960, Doylestown, PA; librettist, lyricist, producer,
and publisher; grandson of the impresario Oscar Hammerstein I
The Jerome Kern song book, 1955