Frederick Suppig's 1722 Calculus Musicus

Frederick Suppig's 1722 Labyrinthus Musicus

Andreas Werckmeister's 1691 Musicalische Temperatur

Johann Mattheson's 1713 DieDrei Orchestra-Schriften I: Das Neu-Eröffnete 

Gottfried Silbermann's stop list for the organ of St. Georgenkirche, Rötha from 1721

Breslau Hymnaic from 1525

Wagner was born in Leipzig and became the mayor there He, among other things also compiled a hymnal and had it printed in Leipzig

Image from an engraving dated 1665 that may have been included in the Wagner hymnal

Title page of the Weinmar hymnal which Bach most likely used and possibly owned as well

The top of the Calov Bible which Bach owned (his signature is on the bottom right side of the page, not visible in this cut-out 

Johann Kuhnau cover sheet 

Johann Kuhnau's Klavierbung

Clavierbuchlein fur Anna Magdalena Bach, 1722

Wilhelm Friedemann Bach's school Exercise booksfrom 1723 and 1725

BWV 228 by a copyist in Berlin working for Kirnberger (closest date: any time in the 18th century after Jan. 1726)

Des Wohltemperirten Claviers Zweiter Teil (hand writing of Johann Christoph Altnikols)

Bach's contract of employment at Leipzig (Photo 2005)

BWV 71 Gott ist mein König from 1708