More links and websites
The website of the Polynesian Voyaging Society includes information on history and culture, canoes, and journeys that have been made.
More suggestions and sources
Best, Elsdon. The Maori canoe. Wellington: Te Papa Press, 2005 (originally published 1925).
Evans, Jeff. Nga waka o nehera: the first voyaging canoes. Auckland: Reed, 1997.
Evans, Jeff. Waka taua: the Maori war canoe. Auckland: Reed, 2000.