What has the author Richard T Schaefer written?

Richard Sherr has written:

'Selections from Bologna, Civico Museo Bibliografico Musicale MS Q19 (Rusconi Codex) (Sixteenth Century Motet , Vol 6)'

'Jacopo Corfini: Il Secondo Libro de Motetti a 5, 6, 7, 8, X, XII Voci (Venice: Gardane, 1581) (Sixteenth-Century Motet)'

'Giovanni Giacomo Lucario : Concentuum qui Vulgo Motetta Nuncupatur Liber Primus (Venice: Gardene, 1547) (Sixteenth-Century Motet, Volume 22)'

'The Josquin Companion'

'Selections from Motetti de la Corona Libro Primo'

'Papal music manuscripts in the late fifteenth and early sixteenth centuries' -- subject(s): Biblioteca apostolica vaticana, Catalogs, Manuscripts, Music

'Girolamo Carli: Motetti del Laberinto. Libro primo a cinque Voci . . . (Venice: Girolamo Scotto, 1554) (Sixteenth-Century Motet)'

'Vincenzo Ruffo : Il Primo Livro de Motetti a Cinque Voci (Milan: Castillione, 1542), Motetti a Sei Voci (Venice: Scotto, 1955) (Sixteenth-Century Motet, Volumes 19-20)'

'Selections from Bologna, Civico Museo Bibliografico Musicalems Q19 (Sixteenth Century Motet , Vol 7)'

'Giovanni Contino'