1. The Sia, by Matilda Coxe Stevenson. Covers songs, myths, rites, and more.  The Zia are an indigenous nation centered at Zia Pueblo (Tsi'ya), a Native American reservation in the U.S. state of New Mexico. The Zia are known for their pottery and use of the sun symbol. Wikipedia. 

  2. Ethnology of the Ungava District, by Lucien M. Turner. Covers some Inuit peoples and cultures (formerly termed Eskimo), around the area of Kuujjuaq (formerly Fort Chimo), in Québec and Labrador, Canada. The District of Ungava was a regional administrative district of Canada's Northwest Territories from 1895 to 1920, although it effectively ceased operation in 1912. It covered the northern portion of what is today Quebec, the interior of Labrador, and the offshore islands to the west and north of Quebec, which are now part of Nunavut. Wikipedia. 

  3. A Study of Siouan Cults, by J. Owen Dorsey. Book length, nearly 300 pages. Looks at religious beliefs and practices like creation myths, rituals, and ceremonies of various Sioux, Lakota, Dakota tribes of the Great Plains.