LEADER
The leader has no indicators or subfield codes; the data elements are positionally defined.
00-04 Record length 05 Record status a Increase in encoding level c Corrected or revised d Deleted n New p Increase in encoding level from prepublication 06 Type of record a Printed language material b Archival and manuscripts control [OBSOLETE] c Notated music d Manuscript notated music e Printed cartographic material f Manuscript cartographic material g Projected medium i Nonmusical sound recording j Musical sound recording k Two-dimensional nonprojectable graphic m Computer file n Special instructional material [OBSOLETE] o Kit p Mixed material r Three-dimensional artifact or naturally occurring object t Manuscript language material 07 Bibliographic level a Monographic component part b Serial component part c Collection d Subunit i Integrating resource m Monograph/item p Pamphlet [OBSOLETE] s Serial 08 Type of Control ^ No specified type a Archival 09 Character coding scheme ^ MARC-8 a UCS/Unicode 10 Indicator count 11 Subfield code count 12-16 Base address of data 17 Encoding Level ^ Full level 0 Full level with item [OBSOLETE] 1 Full level, material not examined 2 Less then full level, material not examined 3 Abbreviated level 4 Core level 5 Partial (preliminary) level 6 Minimal level [OBSOLETE] 7 Minimal level 8 Prepublication level u Unknown z Not applicable 18 Descriptive cataloging form ^ Non ISBD a AACR2 i ISBD p Record is in partial ISBD form [OBSOLETE] r Record is in provisional form [OBSOLETE] u Unknown 19 Multipart resource record level ^ Not specified or not applicable a Set b Part with independent title c Part with dependent title