identifier

The identifier property represents any kind of identifier for any kind of [[Thing]], such as ISBNs, GTIN codes, UUIDs etc. Schema.org provides dedicated properties for representing many of these, either as textual strings or as URL (URI) links. See [background notes](/docs/datamodel.html#identifierBg) for more details.

Comment
The identifier property represents any kind of identifier for any kind of [[Thing]], such as ISBNs, GTIN codes, UUIDs etc. Schema.org provides dedicated properties for representing many of these, either as textual strings or as URL (URI) links. See [background notes](/docs/datamodel.html#identifierBg) for more details.
DomainIncludes
Thing
EquivalentProperty
Identifier
Label
identifier
RangeIncludes
PropertyValue
Text
URL

isbn

The ISBN of the book.

Comment
The ISBN of the book.
DomainIncludes
Book
EquivalentProperty
isbn
Label
isbn
RangeIncludes
Text
SubPropertyOf
identifier