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Public Library Statistics Manual
Audios - Physical Units
Page last modified date: 7/26/2011
These are materials circulated in a fixed, physical format on which sounds (only) are stored (recorded) and that can be reproduced (played back) mechanically, electronically, or both. Include records, audiocassettes, audio cartridges, audio discs (including audio-CD-ROMs), audio-reels, talking books, and other sound recordings stored in a fixed, physical format. Do not include downloadable electronic audio files.
Report the number of units, including duplicates. Items packaged together as a unit (e.g. two audiocassettes for one recorded book) and checked out as a unit are counted as one physical unit.