1. T. Malthus, An Essay on the Principle of Population as it Affects the Future Improvement of Society, with Remarks on the Speculations of Mr. Goodwin, M. Condorcet and Other Writers (1 ed.) London (1798).
2. Homo Deus: A Brief History of Tomorrow;Harari,2016
3. The Economics of Agrarian Change under Population Pressure;Boserup,1965
4. The plague cycle, the unending war between humanity and infectious disease;Kenny,2021
5. Splendid Exchange How Trade Shaped the World;Bernstein,2009