Original: Jan Pieterszoon Sweelinck. for the evolvement of the „ Claviermusik “ of the baroque is not to be overrated. Teil 1. Sheet Music.
Oversettelse: Sämtliche Orgel- Und Clavierwerke Band II.1 - Polyphone Werke. Part 1. Noter. Betydningen av Jan Pieterszoon Sweelinck. 1562-1621.