- May 2022
Between 1930 to 1980,Labrousse, Daumard, and Kuznets carried out their research almostexclusively by hand, on file cards.
Piketty indicates that Ernest Labrousse, Adeline Daumard, and Simon Kuznets carried out their economic and historical research almost exclusively by hand using file cards.
Are their notes still extant? What did their systems look like? From whom did they learn them?