N Economic History
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N Economic History >
N4 Government, War, Law, International Relations, and Regulation
N4 Government, War, Law, International Relations, and Regulation
- 总体
- N40 General, International, or Comparative
- N41 U.S. • Canada: Pre-1913
- N42 U.S. • Canada: 1913–
- N43 Europe: Pre-1913
- N44 Europe: 1913–
- N45 Asia including Middle East
- N46 Latin America • Caribbean
- N47 Africa • Oceania
- N40 General, International, or Comparative