structural:summarization, linguistic:paraphrasing, structural:expansion
Compositions

In 1950, Wolfgang Schmieder published a thematic catalogue of Bach's compositions called the Bach-Werke-Verzeichnis (Bach Works Catalogue). Schmieder largely followed the Bach-Gesellschaft-Ausgabe, a comprehensive edition of the composer's works that was produced between 1850 and 1900. The first edition of the catalogue listed 1,080 surviving compositions indisputably composed by Bach.

BWV 1081–1126 were added to the catalogue in the second half of the 20th century, and BWV 1127 and higher are 21st-century additions.