A 1-2 letter code for the age group, e.g. "aa", "a", "mu".
Optional
marc21Value from MARC 21 field 008/22 https://www.loc.gov/marc/bibliographic/bd008b.html.
The name of the age group in Norwegian bokmål/nynorsk.
Optional
nortargetURI for the corresponding concept in National Library's Vocabulary of target groups (nortarget).
Optional
plasCode for the age group in PLAS.
A recommended age group for the audience of a work.
For age limits and ratings for games and audiovisual material, see ageRating.
The age group vocabulary was developed by Biblioteksentralen and later incorporated into the Norwegian National Library's Nortarget vocabulary