Copernicus as a humanist

Bruchnalski, Wilhelm, Kopernik jako przedstawiciel epoki przełomu. Lwów: Towarzystwo Naukowe we Lwowie, 1923.

Chandrasekhar S., Copernicus: from humanism to inquisition, The Bulletin of the Atomic Scientists is the premier public resource on scientific and technological developments that impact global security. Vol 29, no. 6, pp. 27–30. Washington: Educational Foundation for Nuclear Science, 1973.