Śniadecki, J.Discours sur Nicolas Kopernik... Paris, 1820.
Polish mathematician, astronomer, founder of Krakow University observatory, Rector of Vilnius University and Vilnius University astronomy observatory director Jan Śniadecki‘s (1756–1830) Speech about Mikolaj Copernicus, reviewing scientific activities of Polish astronomer, promoter of heliocentric solar system Mikolaj Copernicus (1473–1543). J. Śniadecki’s name was given to an asteroid – (1262) Sniadeckia
