Graduale triplex : seu Graduale Romanum Pauli PP. VI cura recognitum & rhythmicis signis a Solesmensibus monachis ornatum / neumis Laudunensibus (cod. 239) et Sangallensibus (codicum San Gallensis 359 et Einsidlensis 121) nunc auctum.
The neumes from the Laon ms. added above the staves in black, those from the mss. of the Saint-Gall family below in red. Foreword in English, French, and German. Includes indexes.
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.