Here are entered books that are produced by artists and intended as visual art objects, and general works about such books. Works on such books produced in a particular place are entered under this heading with local subdivision. Works on books illustrated with original prints by well known artists and published in limited editions are entered under Artists' illustrated books. Works on existing books whose pages have been altered by paint, collage, or other media are entered under Altered books. Works on custom bindings of books, irrespective of contents, are entered under Fine bindings.
This heading is used as a genre/form heading for instrumental pieces designed for practice with the aim of perfecting a facet of performing technique. Instrumental pieces designed for performance in order to exploit a facet of performing technique are entered under Concert etudes.