purl.org/dc/elements/1.1/title
purl.org/dc/elements/1.1/creator
purl.org/dc/elements/1.1/date
purl.org/dc/elements/1.1/coverage
, purl.org/dc/terms/created
, or purl.org/dc/terms/modified
.purl.org/dc/elements/1.1/type
purl.org/dc/elements/1.1/source