@misc{_Graduale_1697,
 year={1697},
 rights={Domena publiczna (Public domain)},
 publisher={Ballard, Christophe (1641-1715). Drukarz},
 language={lat},
 type={stary druk},
 title={Graduale Romanum Juxta Missale Sacro-sancti Concilii Treidentini…},
 keywords={Kościół katolicki - liturgia - 17 w.},
}