This list is manually maintained, therefore some of the available pieces may not yet be linked from this page. For an automatically generated alphabetical list of all available pieces, please see Category:Krug, Gustav. A list of works in the composer category that are not included here can be found on this page. Please consult the manual of style for creating composer work lists.
Op.1 - 3 String Quartets (B-flat major, G major, D major) (Berlin: Trautwein & Co., 1842-44).
Op.2 - 6 Lieder for Cello and Piano. Book 1. (Berlin: Trautwein & Co., 1843).
Op.3 - Grosses Duo in A minor for Violin and Piano (Hamburg: Schuberth & Co., 1843). New edition for violin (or cello as arranged by Ch. Schuberth) and piano appeared in 1845.
Op.4 - Adagio and Rondo for Cello (or Viola) and Piano (Hamburg: Schuberth & Co., 1844/1845).
Op.5 - Piano Trio in G minor (Hamburg: Schuberth & Co., 1846).
Op.6 - Introduction and Fugue in E minor for Piano Quartet (Piano Quartet No.1) (Hamburg: Schuberth & Co., 1844).
Op.7 - 6 Lieder for Cello and Piano. Book 2. (Berlin: Trautwein & Co., 1844).
Op.8 - 3 String Quartets (A major, G major, C major) (Berlin: Trautwein & Co., 1844).
Many arrangements of concertos and concerto grossi by Johann Sebastian Bach and George Frideric Handel for piano 4 hands and for 2 pianos 8 hands. (Possibly these are by his son)