A potential source for mining some of the concepts in terms of modelling for gaming systems, HarnMaster has a supplement called HarnManor which goes into great detail on how to generate medieval agricultural settlements. Such things as how many people are needed for how much acreage, crop and farmed animal yields, other trades and specialties typically found in such settlements, etc.
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"It is better to be feared than loved" - Nicolo Machiavelli
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