https://en.wikipedia.org/wiki/Anglo-American_Cataloguing_Rules
https://en.wikipedia.org/wiki/Resource_Description_and_Access
https://en.wikipedia.org/wiki/International_Standard_Bibliographic_Description
https://en.wikipedia.org/wiki/BIBFRAME
https://en.wikipedia.org/wiki/Periodical_literature
https://en.wikipedia.org/wiki/Functional_Requirements_for_Bibliographic_Records

https://www.loc.gov/cds/downloads/FRBR.PDF

Dublin Core IETF RFC: https://tools.ietf.org/html/rfc5013
                 old: https://tools.ietf.org/html/rfc2413

http://dublincore.org/documents/dcmi-type-vocabulary
    Basically just 'Text'

mimetype list: https://www.iana.org/assignments/media-types/media-types.xhtml
Lanuguages: https://tools.ietf.org/html/rfc4646

https://beta.musicbrainz.org/doc/MusicBrainz_Database/Schema