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3
Food for Thought: Comparing Estimates of Food Availability ..
NBER working paper series, no. w20177
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5
The changing body
health, nutrition, and human development in the western wor...
New approaches to economic and social history
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6
The changing body: health, nutrition, and human development..
NBER series on long-term factors in economic development
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8
Diet, Health and Work Intensity in England and Wales, 1700-..
NBER working paper series, no. w15875