American Rhetoric, Context and Criticism. Treasury of American Speeches. Women in American History. The Congressional Record. Indexes to search by name of speaker are available for many years.
Latest years are on the web.
Readers' Guide to Periodical Literature. This indexes the speeches in periodicals, including Vital Speeches of the Day. Ask for help with this at the Information Desk. It does NOT include many speeches by people outside the field of education, but it does index the contents of many speech journals, and the ERIC microfiche collection includes many speeches or papers read at meetings, including the regional speech communication association meetings. To find older speeches The Library of American Civilization.