Banerjee, R., Inklaar, R. & Jong, de, H., jun.-2021, The Cambridge Economic History
of the Modern World: Volume 2: 1870 to the Present .
Broadberry, S. & Fukao, K. (uitgave). Cambridge
University Press, blz.
356–38126 blz.
de Jong, H. & Stelder, D., 2019, The Economic Development of
Europe’s Regions: A Quantitative History Since 1900.
Wolf, N. & Rosés, J. R. (uitgave). Abingdon, Oxon ; New
York, NY: Routledge, blz.
204-22724 blz.
(Routledge Explorations in Economic History; vol. 82).
de Jong, H., feb.-2015, Global Handbook of Quality of
Life: exploration of well-being of nations and continent.
Glatzer, W. (uitgave). Dordrecht: Springer, blz. 45 -7429
blz. (International Handbooks of Quality-of-Life).