Shand,John(2006).Central Works of Philosophy, Volume 2: Seventeenth and Eighteenth Century.McGill-Queen's Press.ISBN 0-7735-3018-5, ch. 3, "G. W. Leibnitz: Monadology," by Douglas Burnham; p. 61
Johnston,Robert K.;J Walker Smith(2003).Life Is Not Work, Work Is Not Life: Simple Reminders for Finding Balance in a 24-7 World.Council Oak Books.ISBN 1-885171-54-4
Brand,Peter;Lino Pertile(1999).The Cambridge History of Italian Literature.Cambridge University Press.ISBN 0-521-66622-8 "Leon Battista Alberti (1404-1472), more versatile than Bruni, is often considered the archetype of the Renaissance polymath." p. 138
Chorley,Richard J.;Robert P Beckinsale(1991).The History of the Study of Landforms Or the Development of Geomorphology.Routledge.ISBN 0-415-05626-8: "Lomonosov was a true polymath—physicist, chemist, natural scientist, poet and linguist...."p. 169