Content	Carrier	Extent*	Extent of still image	Extent of text	Extent of cartographic	Extent of 3D	Extent of Notated Music
cartographic dataset cartographic image cartographic moving image cartographic tactile image cartographic tactile three-dimensional form cartographic three-dimensional form computer dataset computer program notated movement notated music performed music sounds spoken word still image tactile image tactile notated movement tactile notated music tactile text tactile three-dimensional form text three-dimensional form three-dimensional moving image two-dimenssional moving image	aperture card audio cartridge audio cylinder audio disc audio roll audiocassette audiotape reel card computer card computer chip cartridge computer disc computer disc cartridge computer tape cartridge computer tape cassette computer tape reel film cartridge film cassette film reel film roll filmslip filmstrip filmstrip cartridge flipchart microfiche microfiche cassette microfilm cartridge microfilm cassette microfilm reel microfilm roll microfilm slip microopaque microscope slide object online resource overhead transparency roll sheet slide sound-track reel stereograph card stereograph disc video cartridge videocassette videodisc videotape reel volume	aperture card audio cartridge audio cylinder audio disc audio roll audiocassette audiotape reel card computer card computer chip cartridge computer disc computer disc cartridge computer tape cartridge computer tape cassette computer tape reel film cartridge film cassette film reel film roll filmslip filmstrip filmstrip cartridge flipchart microfiche microfiche cassette microfilm cartridge microfilm cassette microfilm reel microfilm roll microfilm slip microopaque microscope slide object online resource overhead transparency roll sheet slide sound-track reel stereograph card stereograph disc video cartridge videocassette videodisc videotape reel volume	activity card activity cards chart charts collage collages drawing drawings flash card flash cards icon icons painting paintings photograph photographs picture pictures postcard postcards poster posters print prints radiograph radiographs study print study prints technical drawing technical drawings wall chart wall charts	approximately case column folded in various foliations in various numberings in various pagings incomplete leaf page portfolio sheet unnumbered pages unnumbered sequence of pages volume volume (loose-leaf)	atlas atlases diagram diagrams globe globes map maps model models profile profiles remote sensing image remote sensing images section sections view views	coin diorama exhibit game jigsaw puzzle medal mock-up model sculpture specimen toy	choir book choir books chorus score chorus scores condensed score condensed scores part parts piano conductor part piano conductor parts piano score piano scores score scores study score study scores table book table books violin conductor part violin conductor parts vocal score vocal scores

* note that as registered, the Extent list has both singulars and plurals for each term, as do some of the other lists. This practice is being reconsidered, however.