Wearing, J.P. American and British theatrical biography, 1979 p. 522 (Jaell, Alfred; musician and composer; b. 1832; d. 1882)
Wikipedia, Feb. 16, 2015 db (Alfred Jaëll, Austrian pianist, b. 5 March, 1832, Trieste, then part of the Austian Empire; d. in Paris, 27 February 1882)