@book{ finc-15-sonataincmajorspeerdaniel, title = {Sonata in C major}, author = {Speer, Daniel}, url = {https://imslp.org/wiki/Sonata_in_C_major_(Speer,_Daniel)}, url = {https://katalog.hfmdd.de/Record/finc-15-sonataincmajorspeerdaniel} }