Erard: A Passion for the Piano: Adelson, Robert: 9780197565315: Amazon.com: Books
Piano Historique - Fan d'Erard | Facebook
Freecycle: Erard 1851 piano
Santa Cruz Piano, Boulder Creek, CA -- sales, rentals, tuning, repair, restoration
Erard | Piano Library | Lindeblad Piano
Erard hi-res stock photography and images - Alamy
The Historical Piano Collection
The Piano in Polish Collections
Celebrating National Piano Month, Part One | The Metropolitan Museum of Art
Steven Isserlis on Twitter: "Recording Chopin with Denes Varjon on a beautiful 1851 Erard. I love recording - but there's no denying it's stressful. When is a movement 'done'? One must remember