In these and other early document collections (e.g., those of China produced during the Shang dynasty in the 2nd millenniumbc and Buddhist collections in India dating to the 5th centurybc), it is difficult to separate the concepts of the archive and the library.

In the questioned-documents unit, examiners study handwriting and typewriting to determine author or authenticity. They may also analyze inks and papers as well as copier toners and other forms of writing. They may be called upon to determine the absolute or relative age of adocument and…