TY - GEN A1 - Beethoven, Ludwig van T1 - Sonate für das Piano-Forte : 90tes Werk Y1 - 1816 UR - https://opus4.kobv.de/opus4-udk/frontdoor/index/index/docId/2221 UR - https://nbn-resolving.org/urn:nbn:de:kobv:b170-22212 PB - Steiner CY - Wien ER -