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The Significance of the A1—A2 Blood Groups in European Anthropogeography

open access: closedGeografiska Annaler, 1959
The A1 and A, blood groups were discovered by Thomsen, Freidenreich and Worsaae in 1930. BOYD (1950) has emphasized the anthropological importance of the A2 subgroup and points out that it seems to be present mainly in European and African populations. The A,-gene is evidently absent in many American and Asiatic populations.
L. Beckman
openaire   +3 more sources

Mountain Passes: A Study in Anthropogeography

open access: closedBulletin of the American Geographical Society, 1901
Ellen Churchill Semple
  +4 more sources

How it came to be: Carl O. Sauer, Franz Boas and the meanings of anthropogeography [PDF]

open access: closedJournal of the History of the Behavioral Sciences, 2001
Jeremy Vetter, Alex Checkovich
openaire   +2 more sources

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