Schubert compositions D number 505-998

Franz Schubert (31 January 1797 – 19 November 1828), a late Classical – early Romantic Viennese composer, left a very extended body of work notwithstanding his short life. He wrote some 1500 items, or, when collections, cycles and variants are grouped, some thousand compositions. The largest group are his over six hundred Lieder for solo voice and piano. He composed nearly as many piano pieces, and further some 150 part songs, some 40 liturgical compositions (including several masses) and around 20 stage works like operas and incidental music. His orchestral output includes a dozen symphonies (seven completed) and several overtures. Schubert's chamber music includes over 20 string quartets, and several quintets, trios and duos.

Otto Erich Deutsch compiled the first comprehensive catalogue of Schubert's works and published it in 1951 as Schubert: Thematic Catalogue of all his Works in Chronological Order. A revised edition appeared in German in 1978. Later editions of the catalogue contained minor updates.

Publication of Schubert's compositions started during his lifetime, by opus number. After the composer's death, opus numbers continued to be assigned to new publications of his work until 1867 (Op. post. 173). In the meanwhile also publications without opus number had started, for instance, from shortly after the composer's death, many songs in Diabelli's fifty "Nachlaß-Lieferung" (instalment from the heritage) editions.

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