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LCRI 6.5B1
EXTENT OF ITEM (INCLUDING SPECIFIC MATERIAL DESIGNATION)


To accommodate the sound recording medium of magneto optical disks, which are used for archival recordings made at the Library of Congress, LCRI 6.5B1 has been revised to introduce the specific material designation "sound disc cartridge."

The text added to this RI is labeled "LC practice." This label signals a practice that LC will follow and serves as an announcement to those who may notice the practice in LC records. The practice is discretionary for other libraries. The implementation date at LC is May 1, 2000.

Click here for the text of the revised LCRI 6.5B1
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