http://es.wikipedia.org/wiki/Jack_Yellen

LC Auth., 15-04-2008---(Jack Yellen; b. July 6, 1892, Poland, d. Apr. 17, 1991, Erie, N.Y.; lyricist, publisher)

Biographical dictionary of American music, de Charles Eugene Claghorn, cop. 1973---(Yellen, Jack; n. 1892 Polonia; autor)