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Summary

DescriptionHomo erectus skull cross-section.png	English: Horizontal cross-section through the ophryon–inion plane of Sinanthropus Skulls III (A) and XII (B), and Pithecanthropus Skull II (C)
Date	1 January 1943
Source	https://archive.org/details/TheSkullOfSinanthropusPekinensisAComparativeStudyOnAPrimitive/page/n477/mode/2up
Author	Franz Weidenreich

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This work is in the public domain because it was published in the United States between 1931 and 1963, and although there may or may not have been a copyright notice, the copyright was not renewed. For further explanation, see Commons:Hirtle chart and the copyright renewal logs.
Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (70 years p.m.a.), Mainland China (50 years p.m.a., not Hong Kong or Macao), Germany (70 years p.m.a.), Mexico (100 years p.m.a.), Switzerland (70 years p.m.a.), and other countries with individual treaties.

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Category:PD US not renewed#Homo%20erectus%20skull%20cross-section.png Category:Peking Man Category:Java Man Category:Homo erectus skulls Category:Homo erectus fossils

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File:Homo erectus skull cross-section.png

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