OptionaladdressOptionalentrysetOptionalidsOptionalinstitutionOptionalkeywordsOptionallabelnameOptionallanguageOptionallistaOptionallistbOptionallistcOptionallocationOptionalorganizationOptionaloriglanguageOptionaloriglocationOptionalorigpublisherOptionalpagerefOptionalpublisherOptionalrelatedOptionalrelatedoptionsOptionalschoolOptionalxdata
List-valued fields whose elements remain strings.