found: Her Sonata for cello & piano op. 11 (1806), 1982:cover (Helene Liebmann)
found: Lieder by women composers of the Classic era, c1987:t.p., etc. (Hélène Liebmann, née Riese; b. 1796; d. after 1819; her opp. 1-4 published under the name Hélène Riese; her maiden name misspelled as Reise in Fétis)
found: Cohen, A.I. International encyclopedia of women composers, 1987(Liebmann, Helene; born Riese; b. 1796, Berlin; "her date of birth could well be earlier"; German pianist and composer)
found: MGG, 2. Ausg.(Liebmann, Liebert (from about 1820), Helene; b. Dec. 16, 1795, Berlin, d. after 1835, probably in Hamburg; pianist, composer, and concert singer)
found: Grove music online, May 18, 2011(Liebmann (née Riese), Helene; b. 1796, Berlin; d. after 1835; German composer and pianist)
