Eric Walker added Small, sharp blades mark the change from Middle to Later Stone Age in coastal Kenya | National Academy of Sciences to a number of topics
Eric Walker added Bohunician - Wikipedia to a number of topics
Eric Walker added Ahmarian - Wikipedia to a number of topics
Eric Walker added Levallois technique - Wikipedia to Levallois technique and Lower Paleolithic
Eric Walker added Mousterian - Wikipedia to a number of topics
Eric Walker added a number of topics and Stone Age - Wikipedia to Stone Age, and added Stone Age to Paleoanthropology and Society, culture, cultures, civilization and civilizations
Eric Walker added a number of links to Levallois technique, and added Levallois technique to Stone Age