Pierre Jacquet, "History of Orchids in Europe, from Antiquity to the 17th Century," ''Orchid Biology: Reviews and Perspectives 6 (1994), as cited by Joseph Arditti, Orchid Biology (Kluwer Academic Publishers, 2002), p. 27 online.
Charles P. Krauth, A Vocabulary of the Philosophical Sciences (New York 1878), p. 625 online.
Grazia Tonelli Olivieri, "Galen and Francis Bacon: Faculties of the Soul and the Classification of Knowledge," in The Shape of Knowledge from the Renaissance to the Enlightenment (Springer, 1991) online.
Stuart Clark, Thinking with Demons: The Idea of Witchcraft in Early Modern Europe (Oxford University Press, 1999), p. 367 online.
Robert S. Westman, "The Comet and the Cosmos: Kepler, Mästlin, and the Copernican Hypothesis," in The Reception of Copernicus' Heliocentric Theory: Proceedings of a Symposium Organized by the Nicolas Copernicus Committee of the International Union of the History and Philosophy of Science, Torun, Poland, 1973 (Springer, 1973), pp. 10 and 28. For a description and reproduction of Helisaeus Roeslin's diagram, see pp. 28–29 online.
livinghistory.co.uk
Cornelius Gemma: Cosmology, Medicine and Natural Philosophy in Renaissance Louvain conference proceedings website.Archived 6 October 2011 at the Wayback Machine
University of Oklahoma Libraries, History of Science Collections, Recent Acquisitions, "The First Book Printed on Tycho Brahe's Printing Press at Uraniborg: Diarium, 1586," The Lynx 2 (November 2005), p. 9 onlineArchived 20 July 2010 at the Wayback Machine with Gemma's illustration.
University of Oklahoma Libraries, History of Science Collections, Recent Acquisitions, "The First Book Printed on Tycho Brahe's Printing Press at Uraniborg: Diarium, 1586," The Lynx 2 (November 2005), p. 9 onlineArchived 20 July 2010 at the Wayback Machine with Gemma's illustration.
Cornelius Gemma: Cosmology, Medicine and Natural Philosophy in Renaissance Louvain conference proceedings website.Archived 6 October 2011 at the Wayback Machine
