853 CAPTIONS AND PATTERN--BASIC BIBLIOGRAPHIC UNIT (R)
Indicators Undefined; each contains a blank (#)
ALEPH uses a special subset of MARC 853/4/5 and 863/4/5
fields for prediction patterns for journals, in order to
facilitate serials control and issue check-in:
Subfield Codes
$a First level of enumeration (NR)
$b Second level of enumeration (NR)
$c Third level of enumeration (NR)
$d Fourth level of enumeration (NR)
$e Fifth level of enumeration (NR)
$f Sixth level of enumeration (NR)
$g Alternative numbering scheme, first level of
enumeration (NR)
$h Alternative numbering scheme, second level of
enumeration (NR)
$i First level of chronology (NR)
$j Second level of chronology (NR)
$k Third level of chronology (NR)
$l Fourth level of chronology (NR)
$u Units per next higher level (R)
Number of units
$v Numbering continuity (R)
c Number increments continuously
r Numbering restarts at the completion of the unit
$w Frequency (NR)
Codes
a Annual
b Bimonthly (every two months)
c Semiweekly (twice a week)
d Daily
e Biweekly (every two weeks)
f Semiannual (twice a year)
g Biennial (every two years)
h Triennial (every three years)
i Three times a week
j Three times a month
m Monthly
q Quarterly
s Semimonthly (twice a month)
t Three times a year
w Weekly
Note:
Frequency codes c, i, and j require a subfield y
with specific dates--e.g., $$ypd0101,0110,0120,[etc.]
Number
A number may be used to specify the frequency
provided that subfield y is also used.
$y Regularity pattern (NR)
Publication code
o Omitted
p Published
Chronology code definition
d Date
D Day of week
m Month
s Season
Chronology code
N.B.: Multiple chronology codes are separated by a
comma. A slash (/) is used to designate combined issues.
Date
To record the date, enter the number of the
month (01-12) and the number of the day (01-31).
For example, March 15 is recorded as 0315.
Day of week
0 Sunday
1 Monday
2 Tuesday
3 Wednesday
4 Thursday
5 Friday
6 Saturday
Month
01-12
Season
21 Spring (Mar.-May)
22 Summer (June-Aug.)
23 Autumn (Sept.-Nov.)
24 Winter (Dec.-Feb.)
$8 Link number (NR)