The Digital Archive makes the inventory of the Beethoven-Haus and its contents accessible for research, use and the general public. Beethoven's life and oeuvre can be experienced in a multimedia way through linked image, text and audio data.
Loeb Music Library's digital collection of scores and libretti, selected for their rare or unique natures and their popularity as objects of research and teaching.
The digitized version offers the musical text and the critical commentaries of the entire Neue Mozart-Ausgabe, edited by the Internationale Stiftung Mozart in cooperation with the Mozart cities of Augsburg, Salzburg, and Vienna.
Since the publication of the first edition in 1964, Phonetic Readings of Songs and Arias has served singers, teachers of singing, and students of lyric diction as a guide to the correct pronunciation of songs in foreign languages.
Children's Song Index: An Index to More than 22,000 Songs in 189 Collections Comprising 222 Volumes by 
English Ayres: A Selectively Annotated Bibliography and Discography by 
The Great Song Thesaurus by 
Phonetic Readings of Songs and Arias by