A Paren's Worth of Information.

The article offers tips on how to enhance index entries through adding more information in a parenthetical. The author believes that parentheticals can annotate and increase the value of the index to users, as well as lighten information professionals' job and help to prevent mistakes. He advises information professionals to insert the year in a parenthetical for certain types of legal references in a subject index, while case name should be in italics in the subject index. The author suggests to add the name of a country in the subject index if the country's name did not appear as part of the agency name.