http://www-sul.stanford.edu/depts/music/mla/necrology/entries/1992/mainindx/0104.html Obituary and dictionary citations from M.L.A. Obituary Index. http://encarta.msn.com/index/conciseindex/12/0128F000.htm?z=1&pg=2&br=1 Concise Encarta Encyclopedia article includes major works and significant honors. http://stevenestrella.com/composers/composerfiles/schuman1992.html Biographical data, recommended CDs, books and sheet music, bibliography, and link to biographical essay from Dr. Estrella's Incredibly Abridged Dictionary of Composers. http://www.schirmer.com/composers/schuman_bio.html Biography, note, key works, selected discography from Schirmer. http://utopia.knoware.nl/~jsmeets/cgi-bin/ccd.cgi?comp=schuman Classical Composers Database entry with brief life, major works and links.