B.  INTERNET RESOURCES

Subject Directories

Internet subject directories are compiled and maintained by humans (sometimes, even librarians!) rather than by automation. They evaluate and select useful web sites to include in the directory. Subject directories are useful when you want to find general information about a subject.  The Yahoo directory is probably the most familiar example of an Internet subject directory.  It is arranged hierarchically by category: 

NURSING is a category under HEALTH, and includes the following:

While you are in the directory, Yahoo allows you to perform keyword searching within the current category you have chosen, or the entire Web.. 

Next:  Internet Search Engines