Biblio
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Author Title Type [ Year] Filters: Keyword is ruins and Author is Douglass, A.E. [Clear All Filters]
“Dating Pueblo Bonito And Other Ruins Of The Southwest”. National Geographic Society. National Geographic Society. National Geographic Society.
. 1935. “Dating Our Prehistoric Ruins”. Natural History. Natural History.
. 1921. Douglass, AE_Dating Our Prehistoric Ruins_1921.pdf (55.42 MB)