Read through some of the primary sources at constitution.org. Links to many primary source documents are available.
Go to your local library. Explain to the librarian that you need information on Native Americans during the colonial times. Librarians are trained to help you find information from the books available to you locally and free of cost.
Visit museums that detail Native American history and pay close attention to the exhibits on Native American women. Speak to museum workers to get more detailed information or recommendations on things you can look at in the museum that can help you in your study.
Read books on Colonial America that focus on Native Americans. Check out "Indian New England 1524-1674," "New England Frontier: Puritans and Indians 1620-1675," by Alden T. Vaughan, or "Lethal Encounters: Englishmen and Indians in Colonial Virginia," by Alfred T. Cave.
Read books on the history of specific Native American tribes. They detail the lives and habits of women in those tribes in the early Colonial era.