https://www.kantoorleenknegt.be/
Kantoor Leenknegt
kantoor
https://www.flipsnack.com/mariaparochie/supplementum-ad-antiphonale-romanum-j-de-coninck-1820/full-view.html
Supplementum ad antiphonale Romanum - J. De Coninck, 1820 by Geert C. Leenknegt - Flipsnack
Supplementum ad antiphonale Romanum, continens Hymnum et Antiphonas ad Magn. in Festo B.M.V. titulo auxilium christianorum. Hymnum in festo S. Julianae de Flaco