The authors analyze some bibliographical sources of jacobinic and Napoleonic age: books and pamphlets published by Stamperia Italiana e Francese in Milan (Lombardy); the Bullettino del Consiglio Subalpino di SanitY, ossia Giornale Fisico-Medico del Piemonte in Turin (Piedmont); some Charles Botta (1766-1837) books (Storia naturale e medica dell 'isola di Corfù; Mémoire du [...] sur la doctrine de Brown; Vicissitudes de l'instruction publique en Piémont depuis l'an VII jusq'au mois de ventose an XI [...]). They are useful to analyse the spreading of John Brown (1735-1788) theories in Italy, during the jacobinic and napoleonic time.