|Genre Categories||; ; ;|
|Work Title||Piano Sonata No.3 in E-flat major|
|Composer||Haeser, August Ferdinand|
|Composer Time PeriodComp. Period||Classical|
This composer did use opus numbers (see Wikipedia-de) but the Breitkopf score (as A.F. Häser) seems not to have one.
Publication date: Mentioned in the AMG Intelligenzblatt, November 1820.