Iroquois archeology and settlement patterns. - Washington, D.C. enth.: First comment on William A Ritchie's " Iroquois archeology and settlement patterns" / by William S. Sears. Second comment on William A Ritchie's " Iroquois archeology and settlement patterns" / by Douglas S. Byers - Ritchie, William A. (Smithsonian Institution <Washington-DC> : Bureau of American Ethnology: bulletin ; 180.1961, S. 25-50, 1961)