Lettere 1619-1648 - Descartes, René, 1596-1650. (OLS)http://ftis/name/52705; Beeckman, Isaac. (OLS)http://ftis/name/87974; Armogathe, Jean-Robert. (OLS)http://ftis/name/54187; Belgioioso, Giulia. (OLS)http://ftis/name/73353; Mersenne, Marin. (OLS)http://ftis/name/87975 (Bompiani,, 2015)
Testi latini e francesi a fronte.