Peter Williams (1937–2016) held the first Chair in Performance Practice in Britain at the University of Edinburgh, where he was first Director of the Russell Collection of Harpsichords and latterly Dean of Music. He was also the first Arts and Sciences Distinguished Chair at Duke University, North Carolina. He authored many books, including The European Organ (1966), Bach: The Goldberg Variations (Cambridge, 2001), Figured Bass Accompaniment (1970), The Chromatic Fourth during Four Centuries of Music (1998) and The Organ Music of J. S. Bach (Cambridge, 2003).

• List of illustrations; Preface; Acknowledgements; Maps; 1. Organs, music and architecture; 2. Organs and documentation; 3. Organs and written technology; List of references; Index of places; Index of names.

Peter Williams (1937–2016) held the first Chair in Performance Practice in Britain at the University of Edinburgh, where he was first Director of the Russell Collection of Harpsichords and latterly Dean of Music. He was also the first Arts and Sciences Distinguished Chair at Duke University, North Carolina. He authored many books, including The European Organ (1966), Bach: The Goldberg Variations (Cambridge, 2001), Figured Bass Accompaniment (1970), The Chromatic Fourth during Four Centuries of Music (1998) and The Organ Music of J. S. Bach (Cambridge, 2003).

• List of illustrations; Preface; Acknowledgements; Maps; 1. Organs, music and architecture; 2. Organs and documentation; 3. Organs and written technology; List of references; Index of places; Index of names.

Peter Williams (1937–2016) held the first Chair in Performance Practice in Britain at the University of Edinburgh, where he was first Director of the Russell Collection of Harpsichords and latterly Dean of Music. He was also the first Arts and Sciences Distinguished Chair at Duke University, North Carolina. He authored many books, including The European Organ (1966), Bach: The Goldberg Variations (Cambridge, 2001), Figured Bass Accompaniment (1970), The Chromatic Fourth during Four Centuries of Music (1998) and The Organ Music of J. S. Bach (Cambridge, 2003).

• List of illustrations; Preface; Acknowledgements; Maps; 1. Organs, music and architecture; 2. Organs and documentation; 3. Organs and written technology; List of references; Index of places; Index of names.