MARC21HoldingsCheatSheet

LDR 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
^ ^ ^ ^ ^ n/c v/x/y ^ ^ ^/a 2 2 #/0 #/0 #/0 #/0 #/0 1-5muz i/n ^ 4 5 0 0
most common ^ ^ ^ ^ ^ n    ^ ^ ^ 2 2 ^ ^ ^ ^ ^ 2,4  n ^ 4 5 0 0
must edit
Note: 12-16 are supposed to be numbers but Aleph supplies ^ 17  
lvl 1= single items $b $c - no item - not likely used
004 BIB ID number lvl2= basic plus item - most single-part books
005 Date lvl3= summary in 866 with only highest enum level
6 v=multipart x=singlepart y=serial lvl4= full holdings on each item; may also have 866
! most serials
lvl5= not used; muz not used
                                                   
008 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
  ^ ^ ^ ^ ^ ^ 0-5 c-z yymm,uuuu,^^^^ 0-8 ^ ^ ^ 0-5 0 0 1 u u ^ ^ ^
edit ^ ^ ^ ^ ^ ^                     0 abclu abu      
most common 2 OR 4/5     l/p 1-9 mwyeis 1 or 4 0 0 1-9 lang code
         
 
6 7 8-11 date 13 25-31
0=unkwn p=purchase yymm=expct to cancl l=latest date of report yymmdd
1=othr recpt/acq status g=gift uuuu=expect to cancl unknwn p=previous 
2=recd complt ceased=bk f=free ^^^^=no intent to cancl-bks 16
3=on order c=coop use yymm or uuuu w/jls 14=number of units completeness
4=currently recd=jl   d=deposit   1=jls
5=not currently recd=jl   e=exchg 15=unit type 4=bks
m=mbrs m=month (UND)
n=non-lib purchase w=week
u=unkwn y=year 19=no.cop.
z=other e=edition
i=issue 20-21 limited use (UND)
s=suppl 20=lending
21=reproduce