Proteus - An easy way to access 30 of the most popular search engines and metasearch tools. AskScott - AskScott queries you as to the type of search you are making. It uses your answers to lead you through a decision tree to a search engine best suited to a specific type of query. Unfortunately it doesn't appear to have been updated recently and depends on a limited number of engines. Avenu - Pick which search engines to search.
Presents results as a layered set of individual pages from each search engine.
FooSearch - Searches the top five search engines. Provides the top ten listings from each categorized by engine. MetaCrawler - Searches just a few of the popular search engines. Results are not delineated by engine. Then try looking for your topic using the Search Engine or the Metasearch Engine of your choice.