Breve ra'gguaglio delle principali regole del cento fermo gregoriano ...
Publisher: V. Orsini
Published: 1793
Place of publication: Napoli
Language: ita
Subjects: Gregorian chants -- Instruction and study -- Early works to 1800.
Genres: Early works to 1800.
Notes: Vol. 2 has title: Esempj e cantilene di canto fermo gregoriano con appendice di messe, ed officiatura de' morti.  Parte seconda.

Microprint copy (positive) made from the original in the Sibley Music Library, Eastman School of Music. 12 cards.