11.Source
lReference to a
resource from which the present resource is derived (e.g., past edition)
12.Language
lLanguage of the
intellectual content of the resource.
luse RFC 3066 with
ISO639 (e.g., “en-GB”)
13.Relation
lReference to a
related resource
14.Coverage
lThe extent or scope
of the resource (e.g., location, time period)
lvalue from a
controlled vocabulary
15.Rights
lStatement of
copyright or a reference to one
lIf absent, no
assumptions may be made