# MARC
21 Format for Bibliographic Data Field List # Adapted from www.loc.gov/marc/bibliographic/ecbdlist.html # Retrieved 2021-01-13
–Leader and Directory–
LEADER Character Positions 00-04 - Logical 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 - Language material b - Archival and manuscripts control [OBSOLETE] c - Notated music d - Manuscript notated music e - Cartographic material f - Manuscript cartographic material g - Projected medium h - Microform publications [OBSOLETE] 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 s - Serial 08 - Type of control # - No specific 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 1 - Full level, material not examined 2 - Less-than-full level, material not examined 3 - Abbreviated level 4 - Core level 5 - Partial (preliminary) level 7 - Minimal level 8 - Prepublication level u - Unknown z - Not applicable 18 - Descriptive cataloging form # - Non-ISBD a - AACR 2 c - ISBD punctuation omitted i - ISBD punctuation included n - Non-ISBD punctuation omitted p - Partial ISBD (BK) [OBSOLETE] r - Provisional (VM MP MU) [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 20-23 - Entry map 20 - Length of the length-of-field portion 21 - Length of the starting-character-position portion 22 - Length of the implementation-defined portion 23 - Undefined Entry map character position DIRECTORY Character Positions 00-02 - Tag 03-06 - Field length 07-11 - Starting character position