| ≅ | N00 - Economic History: General   
(from 
JEL) | 
   | > | N52 - Agriculture, Natural Resources, Environment, and Extractive Industries: U.S.; Canada: 1913-   
(from 
JEL) | 
   | > | N74 - Transport, Trade, Energy, Technology, and Other Services: Europe: 1913-   
(from 
JEL) | 
   | > | N51 - Agriculture, Natural Resources, Environment, and Extractive Industries: U.S.; Canada: Pre-1913   
(from 
JEL) | 
   | > | N73 - Transport, Trade, Energy, Technology, and Other Services: Europe: Pre-1913   
(from 
JEL) | 
   | > | N01 - Development of the Discipline: Historiographical; Sources and Methods   
(from 
JEL) | 
   | > | N15 - Macroeconomics and Monetary Economics; Growth and Fluctuations: Asia including Middle East   
(from 
JEL) | 
   | > | N43 - Government, War, Law, International Relations, and Regulation: Europe: Pre-1913   
(from 
JEL) | 
   | > | N42 - Government, War, Law, International Relations, and Regulation: U.S.; Canada: 1913-   
(from 
JEL) | 
   | > | N45 - Government, War, Law, International Relations, and Regulation: Asia including Middle East   
(from 
JEL) | 
   | > | N67 - Manufacturing and Construction: Africa; Oceania   
(from 
JEL) | 
   | > | N91 - Regional and Urban History: U.S.; Canada: Pre-1913   
(from 
JEL) | 
   | > | N93 - Regional and Urban History: Europe: Pre-1913   
(from 
JEL) | 
   | > | N33 - Labor and Consumers, Demography, Education, Health, Welfare, Income, Wealth, Religion and Philanthropy: Europe: Pre-1913   
(from 
JEL) | 
   | > | N35 - Labor and Consumers, Demography, Education, Health, Welfare, Income, Wealth, Religion and Philanthropy: Asia including Middle East   
(from 
JEL) | 
   | > | N63 - Manufacturing and Construction: Europe: Pre-1913   
(from 
JEL) | 
   | > | N85 - Micro-Business History: Asia including Middle East   
(from 
JEL) | 
   | > | N94 - Regional and Urban History: Europe: 1913-   
(from 
JEL) | 
   | > | N36 - Labor and Consumers, Demography, Education, Health, Welfare, Income, Wealth, Religion and Philanthropy: Latin America; Caribbean   
(from 
JEL) | 
   | > | N53 - Agriculture, Natural Resources, Environment, and Extractive Industries: Europe: Pre-1913   
(from 
JEL) | 
   | > | N75 - Transport, Trade, Energy, Technology, and Other Services: Asia including Middle East   
(from 
JEL) | 
   | > | N62 - Manufacturing and Construction: U.S.; Canada: 1913-   
(from 
JEL) | 
   | > | N70 - Transport, Trade, Energy, Technology, and Other Services: General, International, or Comparative   
(from 
JEL) | 
   | > | N84 - Micro-Business History: Europe: 1913-   
(from 
JEL) | 
   | > | N10 - Macroeconomics and Monetary Economics; Growth and Fluctuations: General, International, or Comparative   
(from 
JEL) | 
   | > | N12 - Macroeconomics and Monetary Economics; Growth and Fluctuations: U.S.; Canada: 1913-   
(from 
JEL) | 
   | > | N26 - Financial Markets and Institutions: Latin America; Caribbean   
(from 
JEL) | 
   | > | N54 - Agriculture, Natural Resources, Environment, and Extractive Industries: Europe: 1913-   
(from 
JEL) | 
   | > | N76 - Transport, Trade, Energy, Technology, and Other Services: Latin America; Caribbean   
(from 
JEL) | 
   | > | N56 - Agriculture, Natural Resources, Environment, and Extractive Industries: Latin America; Caribbean   
(from 
JEL) | 
   | > | N30 - Labor and Consumers, Demography, Education, Health, Welfare, Income, Wealth, Religion and Philanthropy: General, International, or Comparative   
(from 
JEL) | 
   | > | N44 - Government, War, Law, International Relations, and Regulation: Europe: 1913-   
(from 
JEL) | 
   | > | N66 - Manufacturing and Construction: Latin America; Caribbean   
(from 
JEL) | 
   | > | N47 - Government, War, Law, International Relations, and Regulation: Africa; Oceania   
(from 
JEL) | 
   | > | N46 - Government, War, Law, International Relations, and Regulation: Latin America; Caribbean   
(from 
JEL) | 
   | > | N96 - Regional and Urban History: Latin America; Caribbean   
(from 
JEL) | 
   | > | N16 - Macroeconomics and Monetary Economics; Growth and Fluctuations: Latin America; Caribbean   
(from 
JEL) | 
   | > | N81 - Micro-Business History: U.S.; Canada: Pre-1913   
(from 
JEL) | 
   | > | N21 - Financial Markets and Institutions: U.S.; Canada: Pre-1913   
(from 
JEL) | 
   | > | N95 - Regional and Urban History: Asia including Middle East   
(from 
JEL) | 
   | > | N20 - Financial Markets and Institutions: General, International, or Comparative   
(from 
JEL) | 
   | > | N23 - Financial Markets and Institutions: Europe: Pre-1913   
(from 
JEL) | 
   | > | N37 - Labor and Consumers, Demography, Education, Health, Welfare, Income, Wealth, Religion and Philanthropy: Africa; Oceania   
(from 
JEL) | 
   | > | N65 - Manufacturing and Construction: Asia including Middle East   
(from 
JEL) | 
   | > | N64 - Manufacturing and Construction: Europe: 1913-   
(from 
JEL) | 
   | > | N87 - Micro-Business History: Africa; Oceania   
(from 
JEL) | 
   | > | N86 - Micro-Business History: Latin America; Caribbean   
(from 
JEL) | 
   | > | N71 - Transport, Trade, Energy, Technology, and Other Services: U.S.; Canada: Pre-1913   
(from 
JEL) | 
   | > | N11 - Macroeconomics and Monetary Economics; Growth and Fluctuations: U.S.; Canada: Pre-1913   
(from 
JEL) | 
   | > | N13 - Macroeconomics and Monetary Economics; Growth and Fluctuations: Europe: Pre-1913   
(from 
JEL) | 
   | > | N41 - Government, War, Law, International Relations, and Regulation: U.S.; Canada: Pre-1913   
(from 
JEL) | 
   | > | N55 - Agriculture, Natural Resources, Environment, and Extractive Industries: Asia including Middle East   
(from 
JEL) | 
   | > | N77 - Transport, Trade, Energy, Technology, and Other Services: Africa; Oceania   
(from 
JEL) | 
   | > | N57 - Agriculture, Natural Resources, Environment, and Extractive Industries: Africa; Oceania   
(from 
JEL) | 
   | > | N50 - Agriculture, Natural Resources, Environment, and Extractive Industries: General, International, or Comparative   
(from 
JEL) | 
   | > | N27 - Financial Markets and Institutions: Africa; Oceania   
(from 
JEL) | 
   | > | N72 - Transport, Trade, Energy, Technology, and Other Services: U.S.; Canada: 1913-   
(from 
JEL) | 
   | > | N14 - Macroeconomics and Monetary Economics; Growth and Fluctuations: Europe: 1913-   
(from 
JEL) | 
   | > | N31 - Labor and Consumers, Demography, Education, Health, Welfare, Income, Wealth, Religion and Philanthropy: U.S.; Canada: Pre-1913   
(from 
JEL) | 
   | > | N97 - Regional and Urban History: Africa; Oceania   
(from 
JEL) | 
   | > | N40 - Government, War, Law, International Relations, and Regulation: General, International, or Comparative   
(from 
JEL) | 
   | > | N17 - Macroeconomics and Monetary Economics; Growth and Fluctuations: Africa; Oceania   
(from 
JEL) | 
   | > | N90 - Regional and Urban History: General, International, or Comparative   
(from 
JEL) | 
   | > | N92 - Regional and Urban History: U.S.; Canada: 1913-   
(from 
JEL) | 
   | > | N32 - Labor and Consumers, Demography, Education, Health, Welfare, Income, Wealth, Religion and Philanthropy: U.S.; Canada: 1913-   
(from 
JEL) | 
   | > | N34 - Labor and Consumers, Demography, Education, Health, Welfare, Income, Wealth, Religion and Philanthropy: Europe: 1913-   
(from 
JEL) | 
   | > | N61 - Manufacturing and Construction: U.S.; Canada: Pre-1913   
(from 
JEL) | 
   | > | N80 - Micro-Business History: General, International, or Comparative   
(from 
JEL) | 
   | > | N60 - Manufacturing and Construction: General, International, or Comparative   
(from 
JEL) | 
   | > | N83 - Micro-Business History: Europe: Pre-1913   
(from 
JEL) | 
   | > | N82 - Micro-Business History: U.S.; Canada: 1913-   
(from 
JEL) | 
   | > | N22 - Financial Markets and Institutions: U.S.; Canada: 1913-   
(from 
JEL) | 
   | > | N25 - Financial Markets and Institutions: Asia including Middle East   
(from 
JEL) | 
   | > | N24 - Financial Markets and Institutions: Europe: 1913-   
(from 
JEL) |