Title: Liber usualis missae et officii pro dominicis et festis : cum cantu gregoriano ex editione vaticana adamussim excerpto et rhythmicis signis in subsidium cantorum a solesmensibus monachis diligenter ornato.
Authors: Catholic Church; Abbaye Saint-Pierre de Solesmes
Publisher: typis Societatis S. Joannis Evangelistae, Desclée & Socii,
Year: 1934