If you click on the images above and below, you should be able to read two reviews, written by Catherine Whipple (source unknown), and Mary Pierpoint (Indian Country, read full review here).
Some of the books and essays in which Vera Manuel's plays and playwrighting are discussed include:
Footpaths & Bridges: Voices from the Native American Women Playwrights Archive, Shirley Huston-Findley & Rebecca Howard, eds. (University of Michigan Press), 2008
Vera's play is published in full in this book:
Online article & discussion: Indianz.com
See also: "Theatre that heals communities"
My thanks to Joyce Johnson, for providing the images of the reviews/news clippings.