Jean-Paul Sardon List of articlesNo 4, 2018/14The incredible historical variations in fertility in European countries Essential lessons for foresightNo 9, 2019/5The words of demography. Science and semantic rigorNo 22, 2020/4Roland Pressat, an eminent demographer in Alfred Sauvy’s teamNo 26, 2020/8From the long history of outbreaks at Covid-19