Search OneSearch. Use the Advanced Search, combining the word speeches in the "any" field with the author's name “as author/creator." For example:
speeches AND Clinton
speeches AND Malcolm X
Academic Search Complete is a comprehensive scholarly, multi-disciplinary full-text database. To find speeches, type a subject or name in the Search box and limit the Document Type to Speech.
Vital Speeches of the Day is a monthly magazine that presents speeches and addresses in full. It is available from various sources:
In the Advanced Search option, scroll down to Limit Your Results. In the SO Journal Name field enter Vital Speeches of the Day. This will only return results where your keyword(s) appears in records from Vital Speeches of the Day.
