<i>Wie schön leuchtet der Morgenstern</i>, BWV 1: original performance part of transposed continuo, with manuscript copied by C. G. Meißner and figurings by J. S. Bach
Johann Sebastian Bach (composer); C. G. Meißner and J. S. Bach (copyists)
<a rel="nofollow" class="external text" href="https://www.bach-digital.de/receive/BachDigitalSource_source_00003216">Digistised manuscript</a>, Bach Digital Archive, Library of St Thomas School, Leipzig