• Entry
  • Reader's guide
  • Entries A-Z
  • Subject index

The antiquity of humans in the New World had been a controversy during the 19th and early 20th centuries. Insight into just how long ago the incursion of people into the Americas occurred came in 1927, when lanceolate projectile points were ...

    • Loading...
    locked icon

    Sign in to access this content

    Get a 30 day FREE TRIAL

    • Watch videos from a variety of sources bringing classroom topics to life
    • Read modern, diverse business cases
    • Explore hundreds of books and reference titles