Michael Lasser. America’s Songs II: Songs from the 1890s to the Postwar Years. Routledge, 2013. The second volume in the series, containing material on “Buds Won’t Bud,” “Down with Love,” “Last Night When We Were Young,” “In the Shade of the New Apple Tree” and “Fun to Be Fooled,” the latter lyric written with Ira Gershwin.
Stephen Nelson. “Only a Paper Moon”: The Theatre of Billy Rose. Ann Arbor: UMI Research Press, 1985, 1987. This examination of the impresario’s stage career includes a discussion of some of the musical revues to which Yip contributed songs.
W. Rigdon, ed. Notable Names in the American Theatre. Clifton, NJ: J.T. White, 1976.
Bernard Rosenberg and Ernest Goldstein, eds., Creators and Disturbers: Reminiscences by Jewish Intellectuals of New York, NY: Columbia University Press, 1982. Chapter 8: “From the Lower East Side to ‘Over the Rainbow’,” p. 137.
Deena Rosenberg. Fascinating Rhythm: The Collaboration of George and Ira Gershwin. 2nd ed. University of Michigan Press, 1997. Contains numerous quotes by Yip on his friendship with the Gershwins, his collaborations with Ira and the atmosphere of life in the world of musical theatre and film during the Golden Age of American popular songwriting.