Catalogues of Beethoven compositions

Original title page for the Piano Sonata, Opus 111

The Catalogues of Beethoven compositions are all of the different ways in which the musical compositions by Ludwig van Beethoven have been organized by researchers into his music.

The problem

When Beethoven died, he left (as many other composers) a great many compositions behind. In Beethoven's case, a sizable majority of his works were published. However, some works were not published, and some works were unfinished, either because he had laid them aside, or died before he could finish them. The catalogues described here are attempts to organize and identify with precision all of these works in ways that are useful to musicologists, musicians, and the listening public.

Most of Beethoven's best known works were published in his lifetime, and bear opus numbers, with which they may be reliably identified. The short piano piece "Für Elise" is a notable exception: it is usually designated WoO (Werke ohne Opuszahl – literally, "works without opus number") 59.

Opus number

The traditional 19th-century method of identifying a composer's works was for publishers to assign some sort of consecutive Opus number to the works as they were published. This method is not entirely satisfactory to anyone. Musicians and the listening public have no reliable way to distinguish different works with similar characteristics. Musicologists cannot reliably identify unpublished works, nor do they have a reliable indication from the opus number of the actual composition date(s). For example, the Octet, written from 17921793 is Opus 103, while Opus 102 and Opus 104 were written in 1815 and 1817 respectively. Some opus numbers comprise multiple pieces; 172 works are divided among 138 opus numbers.

All of Beethoven's compositions up to and including Opus 135 were published in Beethoven's lifetime; later numbers were published posthumously, and are generally denoted by "Op. posth."

A bust of Beethoven, based on his 1812 life mask

Kinsky catalogue

In 1955, Georg Kinsky and Hans Halm published a catalogue of Beethoven's works, in which they assigned numbers to 205 "Werke ohne Opuszahl" (meaning "works without opus number" in German) to some of Beethoven's unpublished works. These numbers given these works are generally preceded by "WoO".

The Kinsky–Halm catalogue also lists 18 works in an appendix as being either doubtfully attributed, or simply spurious. Some of those listed as doubtful have since been shown to be authored by Beethoven. These numbers are generally preceded by "Anh.", short for German Anhang, meaning appendix.

Hess catalogue

The Swiss composer and musicologist Willy Hess also researched and published a catalogue in the 1950s, in which he included pieces not included in the 19th century complete edition published by Breitkopf and Härtel. Hess included many more fragmentary works than did Kinsky, and his catalog runs to 335 entries in the "Hauptkatalog" (main catalogue), and 66 "doubtful and falsely-attributed" works in an appendix. Many pieces have both WoO and H numbers.

Biamonti catalogue

Beethoven's compositions are also organized through the Biamonti Catalogue, compiled by Giovanni Biamonti and published in 1968. This work is an attempt to chronologically order all of Beethoven's creative output, in a manner similar to the catalogue of Franz Schubert's works by Otto Erich Deutsch. It combines the pieces with opus numbers, all of the works from the Kinsky and Hess catalogues, and previously uncatalogued fragments, into a single list comprising 849 entries.


The following references identify the major catalogues of Beethoven's works.


  • Johnson, Douglas and Scott G. Burnham. "Beethoven, Ludwig Van (Works)", Grove Music Online ed. L. Macy (Subscription access). Accessed 2007-04-19.
    Includes categorized works list with bibliographical and other information.
  • Solomon, Maynard. Beethoven (1st edition). New York: Schirmer, 1977. ISBN 0-02-872460-7. pp. 372, 386-391.
    Popular biographical study; includes bibliographical notes and (incomplete) works lists.
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