English:
Title page of the first volume of J.S. Bach's four-part chorales, collected by C.P.E. Bach and published by F.W. Birnstiel, Berlin, 1765. Copy originally owned by Alfred Cortot; acquired in the USA in 1999.
This work is in the
public domain
in its country of origin and other countries and areas where the
copyright term
is the author's
life plus 100 years or fewer
.