Some current issues are displayed on the rack near the photocopy machine. A fuller explanation of the Dickinson Classification and a guide to its use is available in the online Guide or in printed form on the Handout Rack. The piano part is classified as a score, bound and shelved for study use. The Music Library maintains a collection of complete parts for chamber ensembles. Materials in the Parts Collection are definitely intended for performance, not reference use, and may, therefore, be marked up.
Thematic catalogues are the most reliable bibliographies of an individual composer's works.
They may also be detailed indexes to the contents of Gesamtausgaben. Shelved before the general score collection. Most volumes include a scholarly editorial apparatus. Designated by red dot on spine. These scores are primarily avant-garde scores in unusual formats.