The primary tools used to search the internet are search engines and directories. The subtle difference between these two tools is the manner in which they are organized.
Search engines are essentially just a collection of web sites with little organization.
Directories are organized into general categories and are sometimes much easier to search. Being able to effectively use these tools will facilitate your search for information. This is not an exhaustive list, but a starting point for those who may not be familiar with these tools. The following list contains links to lists of Web sites you might find useful. The categories are loosely defined and you may find the same site in more than one list.