WoO 38

With regards to music, WoO38 may refer to:


 * Beethoven – Piano Trio in E-flat major
 * Brahms – 20 Deutsche Volkslieder
 * Draeseke – Symphony No. 4 in G major
 * Raff – Juliet's Waltz by Ch. Gounod
 * Ries – Recitative and Aria