Title: The Cambridge Companion to the Lied, Author: James Parsons
Title: The Nineteenth-Century German Lied, Author: Lorraine Gorrell
Title: The Big Book of German Songs, Author: Hal Leonard Corp.
Title: Late-Medieval German Women's Poetry: Secular and Religious Songs, Author: Albrecht Classen
Title: Bach's Feet: The Organ Pedals in European Culture, Author: David Yearsley