Books by Paolo Maria Ferretti:
Books in the extended shelves:
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Ferretti, Paolo Maria, 1866-1938: Graduel de Saint-Yrieix ([Société Saint Jean l'Evangeliste, Desclée & cie], 1925), also by Catholic Church, Bibliothèque nationale de France, and France Saint-Yrieix (page images at HathiTrust)- Ferretti, Paolo Maria, 1866-1938: Il cursus metrico e il ritmo delle melodie gregoriane. (Tip. del Senato, 1913) (page images at HathiTrust)
- Ferretti, Paolo Maria, 1866-1938: Principii teorici e practici di canto gregoriano. (1914) (page images at HathiTrust)
- Ferretti, Paolo Maria, 1866-1938: Principii teorici e pratici di canto gregoriano pel p.d. Paolo M. Feretti. (Societá di S. Giovanni Evangelista, Desclée, Lefebure, 1906) (page images at HathiTrust)
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