The following links provide videos and/or texts of speeches by famous people:
Online streaming video collection of famous speeches of the 20th and 21st centuries. Includes introduction detailing historical context, significance and the rhetorical devices found in each speech. Also available in DVD format in the Oviatt Library, Music & Media, 2nd floor, East Wing.
"5000+ free full text, audio, and video (streaming) versions of public speeches, sermons, legal proceedings, lectures, debates, interviews, other recorded media events..." (Note the arrangement is alphabetical by first name!) Main site includes speeches from movies, the rhetoric of 9-11, Barack Obama, and other specialized sources.
The Scripps Library, Miller Center, University of Virginia, through cooperation with various presidential libraries, has been collecting some of the most important presidential speeches in American history. These speeches all have transcripts, and some are available in their entirety in audio or video.
A great source for the text of speeches by experts and celebrities about social issues. Browse by date or search by keywords using the Academic Search Premier database.
Search under the subject Speeches, addresses, etc. for additional sources of famous speeches, or do a keyword search for speeches and a name of a person or another keyword for more specific speeches. For example: speeches and martin luther king