0.16 Bernhard J. Stern A. W. Howitt Lorimer Fison, Selections from the Letters of Lorimer Fison and A W Howitt to Lewis Henry Morgan (Concluded), American Anthropologist, 1930.

{ fact point evidence anthropologist } 0.28
{ man primitive human great } 0.16
{ man people time told } 0.11
{ tribes indians indian river } 0.10