Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Visual and Verbal Communication (hierarchy name)
4. Information Forms (hierarchy name)
5. information forms (objects)
6. document genres
7. [documents by form]
8. databases

Anotations

Scope note:

Digital databases of bibliographic records that form an organized collection of references to published literature such as journal and newspaper articles, conference proceedings, reports, government and legal publications, patents, books, etc. Records in bibliographic databases often contain abstracts, keywords, and subject classification terms.