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Appendix S1 Details of population data.

Appendix S2 Climate data.

Appendix S3 Setting of cooling and warming thresholds.

Appendix S4 Data concerning the direct triggers of population collapses.

Appendix S5 Details of population collapse incidents in the Northern Hemisphere, 800–1900.

Appendix S6 The average duration of war in the Northern Hemisphere.

FilenameFormatSizeDescription
GEB_625_sm_AppendixS1.doc26KSupporting info item
GEB_625_sm_AppendixS2.doc111KSupporting info item
GEB_625_sm_AppendixS3.doc27KSupporting info item
GEB_625_sm_AppendixS4.doc37KSupporting info item
GEB_625_sm_AppendixS5.doc221KSupporting info item
GEB_625_sm_AppendixS6.doc27KSupporting info item

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