@misc{Sailer_Leonardo_Cantiones,
 author={Sailer, Leonardo},
 howpublished={online},
 publisher={Johann Conrad},
 publisher={Mechel Conrad},
 type={starodruk muzyczny},
 title={Cantiones Sacrae, unius, duarum, trium, & quatuor Vocum, cum Instrumentis, & Basso Continuo. Organum},
}