@misc{Virgil_Almon_Kincaid_(1842-_?)_Foundation, author={Virgil, Almon Kincaid (1842- ?)}, howpublished={online}, publisher={The Virgil Practice Clavier Co.}, language={ang}, title={Foundation exercises in piano playing, especially adapted to the Virgil practice clavier : many of the exercises are also adapted to the piano. Book I}, type={druk muzyczny}, keywords={Szkoły gry (fortepian), Szkoły gry (klawesyn), Szkoły gry (wirginał), Muzyka angielska - 19 w.}, }