Nomenclature Secondary Object Term
Software, EmailNomenclature Secondary Object Term
LetterNomenclature Primary Object Term
SoftwareNomenclature Primary Object Term
CorrespondenceNomenclature Primary Object Term
ArticleNomenclature Sub-Class
Data Processing AccessoriesNomenclature Sub-Class
Other DocumentsNomenclature Sub-Class
Literary WorksNomenclature Class
Data Processing T&ENomenclature Class
Documentary ObjectsNomenclature Category
Category 06: Tools & Equipment for CommunicationNomenclature Category
Category 08: Communication Objects