Bibliothèque nationale de France
Bibliothèque nationale de France - Arts
Bibliothèque nationale de France - Musique
Center for Research Libraries (Queen's has subscription for interlibrary loan)
Library & Archives Canada (Amicus)
Library & Archives Canada (Voila - Canada's National Union Catalogue)
Staatliches Institut für Musikforschung (Berlin)
University of Toronto Libraries
University of Toronto Music Library
University of Toronto Robarts Library
Search Other Library Catalogues, for local libraries and beyond.
You can also use Omni (select “Include results from outside your library's collection”)
Credit: Wallace Berry, Douglas Library, Queen's University, Kingston, ON