Information:
The 521 tag of the MARC 21 bibliographic format
contains a note about the specific audience or
intellectual level the item was created for. Many
teachers and librarians use the information in
this tag to find appropriate resources for class
assignments and reading lists.
AACR2 covers the Target Audience Note in rule
1.7B14 and in the X.7B14 rules for each format in
chapters 2-12 (2.7B14, 3.7B14, etc.). RDA provides
instructions on recording the intended audience in
7.7.1.3.
Subfield a contains the Target Audience Note.
Reading grade levels are entered as decimal
numbers (1.9, 6.5, etc.). The whole number
represents the grade and the decimal
represents the month within the grade that the
title is appropriate.
Interest age levels are entered in a range
using three digits, a dash, and three digits
(003-008, 012-102, 018-up, etc.).
Interest grade levels are entered as a range
of grades. (K-3, 3-6, etc.)
MPAA ratings for videos are entered using 8 as
the first indicator.
Special audience characteristics such as
vision impaired can help identify the needs of
a specific audience.
Motivation/interest levels can further define
the appropriateness of the title.
Subfield b contains the name of the agency
assigning the target audience level. If the target
audience level is assigned locally, the name of
your library should appear in subfield b.
Indicators
First Display constant controller
blank Audience
0 Reading grade level
1 Interest age level
2 Interest grade level
3 Special audience characteristics
4 Motivation interest level
8 No display constant generated
Second Undefined
blank Undefined
Subfields
a Target Audience Note (R)
b Source of the note(NR)
Punctuation
This field ends with a period unless another mark
of punctuation (!, ?, -) is present.
Examples:
521 0 _a7.4
_bFollett School Solutions.
(The reading level is for the fourth month
of the seventh grade.)
521 2 _a5-8
_bFollett School Solutions.
(The interest level is for fifth to eighth graders.)
521 _aAdult
_bFollett School Solutions.
521 1 _a006-010.
(The interest level is for ages 6-10.)
521 1 _a012-up.
(The interest level is for ages 12 and up.)
521 3 _aVision impaired
_afine motor skills impaired
_aaudio learner
_bLENOCA.
521 4 _aHighly motivated
_ahigh interest
_bLENOCA.
521 8 _aMPAA rating: PG.
521 8 _a700
_bLexile.
521 8 _aAD 120
_bLexile.
521 8 _aBR
_bLexile.
521 8 _aJ
_bFountas and Pinnell.
521 8 _aZ
_bGuided Reading.
521 8 _aYY
_bAmerican Benchmarks for Excellence.
521 8 _a40
_bDevelopmental Reading Assessment.
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