[3] Brown's book Schubert: A Critical Biography (1958) became the standard work on the composer for many years, establishing him as an international authority.
[4] According to William Mann, the pianist Paul Badura-Skoda declared him to be the world's greatest authority on Schubert.
[5] His identification of manuscripts in the Otto Taussig collection at Lund University led to the first publication of Schubert's String Quartet No 2 in C Major.
[6] Brown was particularly interested in the lied tradition, also becoming an authority on Emilie Zumsteeg and Carl Loewe.
[7] Illness affected his work towards the end of his life and a planned book on Schubert's operas remained unfinished.