| Google This is a popular and well-respected search engine. | Ask.com This is a metacrawler that searches several search engines and uses natural language for searching. | |
| Yahoo.com This popular search engine also includes topical searching. | Microsoft Live Search A search engine written by the people at Microsoft. | The WWW Virtual Web Library This search engine allows you to search by topic. |
| Direct Search With this search engine, you can search the Invisible Web by searching within websites for material not found through other search engines. | Search Engine Guide This is a compilation of many search engines by type and topic for more specialized searching. | Infomine This is a good source if you are looking for scholarly Internet resources and publications. |