Bright Lights Film Journal Article on the 1929 musical starring Bing Crosby http://www.brightlightsfilm.com/26/kingofjazz.html

IMDb: King of Jazz, The (1930) Contains a plot summary, cast list, and user comments. http://us.imdb.com/title/tt0021025/

IMDb Plot outline, cast list, and reviews. http://us.imdb.com/title/tt0079417/