<P> "More Than You Know" is a popular song, composed by Vincent Youmans with lyrics by Billy Rose and Edward Eliscu . The song was published in 1929 . </P> <P> The song was introduced in the Broadway musical Great Day where it was sung by Mayo Methot . It was also popularized on the stage and radio by Jane Froman . The most popular contemporary recordings were by Helen Morgan (Victor catalog number 22149), and by Libby Holman (Brunswick catalog number 4613). </P>

Who wrote the song more than you know