This cribsheet is more detailed than the one intended for copy cataloguers. Examples are taken from: Marc21 Concise format for bibliographic data Leader: Record status: n (new record) or c (copied record). Type of record: a language material. Bibligraphical level: m monograph. 007 for CD-ROMS c computer file o optical disk 008 (Anything mentioned in 008 needs to be mentioned in body of record too.) 040 If it is a new record Talis will automatically add $aIE-LiU, if it is an edited record Talis will add $dIE-LiU at the end of the row when you press 'save'. First Indicator: Second Indicator: # CB