{"id":"000029828","type":"book","title":"The Mound Builders. - New York, NY","container-title":"Natural history : the journal of the American Museum of Natural History ; 30.1930, no. 3 + 4, S. 293-304 ; S. 402-408 : zahlr. Ill","author":[{"family":"Shetrone","given":"Henry C."}],"issued":{"raw":"1930"}}