1. On the banks of Helicon : early music of Scotland Author/Creator: Baltimore Consort Publication/Creation: Troy, NY : Dorian, [1990] Resource Type: Sound Recording Access & Availability: Loading
2. On the modes : part four of Le istitutioni harmoniche, 1558 Author/Creator: Zarlino, Gioseffo, 1517-1590 Publication/Creation: New Haven : Yale university press, [1983] Resource Type: Book Access & Availability: Loading
3. Opera nova de balli, 1553, for four instruments = für vier Instrumente Author/Creator: Bendusi, Francesco Publication/Creation: [London] : London Pro Musica Edition, [1974] Resource Type: Musical Score Access & Availability: Loading
4. Orgel und Klavier in der Musik des 16. Jahrhunderts : ein Beitrag zur Geschichte der Instrumentalmusik Author/Creator: Kinkeldey, Otto, 1878-1966 Publication/Creation: Hildesheim : G. Olms, 1968 Resource Type: Book Access & Availability: Loading
5. Orgelmeister der Gotik = Les maîtres gothiques de l'orgue = Gothic organ masters Publication/Creation: Mainz : B. Schott's Söhne, [1938] New-York : Ass. Music Publ., [1938], ©1938 Resource Type: Musical Score Access & Availability: Loading
6. Die Orgeltabulatur des Leonhard Kleber Publication/Creation: Frankfurt : H. Litolff's Verlag, 1987 Resource Type: Musical Score Access & Availability: Loading
7. Orlando di Lasso's imitation magnificats for Counter-Reformation Munich Author/Creator: Crook, David, 1957- Publication/Creation: Princeton, N.J. : Princeton University Press, 1994 Resource Type: Book Access & Availability: Loading
8. Orpheus in the marketplace : Jacopo Peri and the economy of late renaissance Florence Author/Creator: Carter, Tim, 1954- Publication/Creation: Cambridge, Massachusetts : Harvard University Press, 2013 Resource Type: Book Access & Availability: Loading
9. Ostinato Author/Creator: Hespèrion XXI (Musical group) Publication/Creation: [Bellaterra] : Alia Vox, [2001] Resource Type: Sound Recording Access & Availability: Loading
10. The Ottoman Empire & Christian Europe : a clash of civilizations Publication/Creation: Wheeling, IL : Film Ideas, [2012] Resource Type: Video or Visual Material Access & Availability: Loading