American Rhetoric
American Rhetoric: Site Search
This is the search engine for American Rhetoric, a site that offers thousands of primary source speeches. Just type in the name of the speech or the speaker and select from the choices.
Other
Brainy Quote: Homepage
Excellent online collection of quotes categorized by topic or speaker. BrainyQuote also offers a very helpful quote search engine and an interesting quote trivia section.
The History Place
The History Place: Frederick Douglass Speech
This site from The History Place provides a brief biography of Douglass and the text to his famous Fourth of July speech. The information is medium in length and worth checking out on the subject.