 He was later, in 1943, to receive a Doctorate in Science from Tampa University.He excavated on Weedon Island for the Bureau of American Ethnology (BAE) in 1923–24, and at Arikara villages in Mobridge, South Dakota, during the summer of 1924.Stirling resigned from the Smithsonian to lead a 400-member, Smithsonian Institution-Dutch Colonial Government, expedition to New Guinea in 1925.