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

wwwimdb.com, 08-08-2005---(Amsterdam, Morey; b. 1908 Chicago, d. 1996 Los Angeles)

Biographical dictionary of American music, de Charles Eugene Claghorn, cop. 1973---(Amsterdam, Morey; n. 1912 Chicago, Illinois; singer, comedian and lyricist)