22 - Target audience (006/05)
One-character alphabetic code describes indicates the
target audience for which the material is intended.
# - Unknown or not specified
a - Preschool
b - Primary
c - Pre-adolescent
d - Adolescent
e - Adult
f - Specialized
g - General
j - Juvenile
| - No attempt to code
26 - Type of computer file (006/09)
One-character alphabetic code that indicates the type of
computer file described in the bibliographic record.
a - Numeric data
b - Computer program
c - Representational
Pictorial or graphic information that can be manipulated
in conjunction with other types of files to produce
graphic patterns that can be used to interpret and give
meaning to the information.
d - Document
e - Bibliographic data
f - Font
g - Game
h - Sound
i - Interactive multimedia
j - Online system or service
m - Combination
u - Unknown
z - Other
| - No attempt to code
28 - Government publication (006/11)
One-character alphabetic code that indicates whether the
computer file is published or produced by or for an
international, national, provincial, state, or local
government agency (including intergovermental bodies of all
types), any subdivision of such a body and, if so, the
jurisdictional level of the agency.
# - Not a government publication
a - Autonomous or semi-autonomous
component
c - Multilocal
f - Federal/national
i - International intergovernmental
l - Local
m - Multistate
o - Government publication-level
undetermined
s - State, provincial, territorial, dependent,
etc.
u - Unknown if item is government
publication
z - Other
| - No attempt to code
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