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2. F. H. H. Roberts Jr. A Folsom Complex: Preliminary Report on Investigations at the Lindenmeier Site in Northern Colorado. Smithsonian Misc. Coll. vol. 94 No. 4 (1935)
3. Additional Information on the Folsom Complex Report on the Second Season's Investigations at the Lindenmeier Site in Northern Colorado. Smithsonian Misc. Coll. vol. 95 No. 10 (1936).
4. Evidence of early man in North America, Museum 1;Howard E. B.;Univ. of Pennsylvania,1935
5. K. Bryan and L. L. Ray Geologic Antiquity of the Lindenmeier Site in Colorado. Smithsonian Misc. Coll. vol. 99 No. 2 (1940)