Here are entered works on the structured education of children before entering kindergarten or grade 1 in elementary school. Works on activities and schooling that are intended to effect developmental changes in children from birth through elementary grade 3 are entered under Early childhood education. --subdivision Education (Preschool) under classes of persons and ethnic groups; and subdivision Study and teaching (Preschool) under names of individual corporate bodies, names of places, ethnic groups, and topical headings, e.g. Science--Study and teaching (Preschool)
Here are entered works on studies or sketches by artists preparatory to executing works of art in any form. --subdivision Notebooks, sketchbooks, etc. under names of individual persons
Here are entered collections of canons, fugues, and similar compositions for various mediums of performance. Individual canons, fugues, etc. and collections of canons, fugues, etc. for a specific medium of performance are entered under the heading followed by the medium. Works about canon as a musical form are entered under the heading Canon (Musical form). Works about the fugue are entered under the heading Fugue.
Here are entered compositions originally written or arranged for organ. Chorale preludes for other mediums of performance are entered under the heading Chorale preludes, followed by the medium, e.g. Chorale preludes (Orchestra). Works about the chorale prelude are entered under the heading Chorale prelude.