sentences:  She began "Alaskan Eskimo Ceremonialism" (1947) as a broad study of Alaskan Eskimo.James W. VanStone (1925–2001), an American cultural anthropologist, and Wendell H. Oswalt were among the earliest scholars to undertake significant archaeological research in the Yup'ik region.VanStone demonstrates the ethnographic approach to cultural history in "Eskimos of the Nushagak River