You can search our holdings in a variety of ways.
Give the file name or part of the name and you will see all of the matching files that we hold. You can use regular expressions.
If you know the name of a file that you need but not what package your distribution puts it in then enter the file name here. Give the full filename, not including its path.
You can search the descriptions of our packages from the Catalogue. You can use regular expressions.
You can search the documentation that we have. You can use regular expressions.
If you are checking out LaTeX article style files, trying to find one with a look that suits your needs, try visiting the style showcase.