N Economic History
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N5 Agriculture, Natural Resources, Environment, and Extractive Industries

  • 总体
    • N50 General, International, or Comparative
      • N50 General, International, or Comparative
    • N51 U.S. • Canada: Pre-1913
      • N51 U.S. • Canada: Pre-1913
    • N52 U.S. • Canada: 1913–
      • N52 U.S. • Canada: 1913–
    • N53 Europe: Pre-1913
      • N53 Europe: Pre-1913
    • N54 Europe: 1913–
      • N54 Europe: 1913–
    • N55 Asia including Middle East
      • N55 Asia including Middle East
    • N56 Latin America • Caribbean
      • N56 Latin America • Caribbean
    • N57 Africa • Oceania
      • N57 Africa • Oceania