Evaluation of reporting was organized into headings and subheadings regarding searches, selection, validity assessment, data abstraction, study characteristics, and quantitative data synthesis.
Lastly thesauri list not only equivalent terms but also narrower, broader terms and related terms among various authorized and non-authorized terms, while historically most subject headings did not.
The collections are held under the following headings: social history, science and technology, maritime, land transport, fine art, decorative and applied art, archives and archaeology.
