Subheading data

The information that may be found under the title of a book or any other publication. This data may include various details, such as additional remarks to the heading, genre or type of publication, volume or issue number, names of people having worked on the publication (for instance, the draftsman or the artist), comments about the conference, understanding, whether it is an educational publication or an official document, and other characteristics that help figuring out the content and nature of the publication in a better way.