 | The pages in this category are redirects from titles that are ISO 4 standardized serial abbreviations to the expansions of the abbreviations. To add a redirect to this category, place {{Rcat shell|{{R from ISO 4 abbreviation}}}} on the second new line (skip a line) after #REDIRECT [[Target page name]]. For more information follow the links. Never substitute redirect template(s), nor place them on soft redirects.See also the complete list of redirect templates and the redirect style guide. |
 | This is a maintenance category, used for maintenance of the Wikipedia project. It is not part of the encyclopedia and contains non-article pages, or groups articles by status rather than subject. Do not include this category in content categories.
This is a tracking category. It builds and maintains a list of pages primarily for the sake of the list itself. They are not part of the encyclopedia's categorization scheme.
|