Finding Great Resources for Speeches: Search for Books with Speeches
It can be helpful to find books with speeches on your topic, especially if you want to offer different quotes or multiple perspectives offered by important figures over time on your topic.
For example, if your topic is related to race, you may want to look for speeches related to race that were deemed significant enough to be placed in an anthology of notable speeches. You may come across speeches by Martin Luther King or Abraham Lincoln that can make a strong impact ;in your current presentation.
You can also search for speeches made by a particular person, such as Martin Luther King, and find the full text of many of the speeches made by such an important individual.