All federally recognized tribes and the tribal leaders are listed at the end of the video. In the 1930's the government created the National archives and they keep all permanent records. In 1887 all native americans had to register with the government. Unfortunately, many did not, some many left the reservations, many changed their names. That is why it is so hard to trace your heritage.
Price is the same.
Or, contact any native american dealer that sells books and videos. This video is native american owned and, you can only purchase it through them. To research your heritage, obtain your tribal membership,and find the list of all federally recognized tribes. This is a step by step process. You must know your tribe.