Here are a couple of good sources for teaching treaties. It is important to remember when teaching treaties that we are all treaty people as we all live in this country. The government signed on behalf of all citizens the treaties with the FNMI peoples.
We are all Treaty People Illustrations by Charley Hebert Text by Maurice Switzer ISBN 978-0-9868211-0-3 Although this is a picture book it is a fantastic text for learners of all ages.
Nation to Nation A resource on treaties in Ontario Produced by the Union of Ontario Indians ISBN 978-0-9868211-1-0