We have a list of them.
Most of the books themselves were lost.
But not all of them.
Fortunately the book that for Bach was the most important, his three-volume Bible, has been preserved and found its way to a library in St. Louis, USA.
If you are interested in acquiring a copy of the Bach Bible, or wish to receive more information, please write to:
Bach-Archiv Leipzig
Sekretariat/Gabriele Anders
Thomaskirchhof 15/16
04109 Leipzig, Deutschland
E: info@bach-leipzig.de
For North America:
OMI Facsimiles
226 E. 54 Street, #610,
New York City 10022, USA
T: 212 758-1946
Or directly to the publisher:
Uitgeverij Van Wijnen
Printerweg 10
3821 AD Amersfoort
The Netherlands
+3120-524 10 10
E. info@vanwijnenuitgevers.nl