1. Sir Isaac Newton, Opticks or A Treatise of the Reflexions, Refractions, Inflexions & Colours of Light. Based on the Fourth Edition London 1730. With a Foreword by Albert Einstein. An Introduction by Sir Edmund Whittaker. A Preface by I. Bernard Cohen (New York: Dover Publications, 1979), Query 31, pp. 375-406, on p. 394.
2. Francis Darwin, “On the Ascent of Water in Trees,” Report of the Sixty-Sixth Meeting of the British Association for the Advancement of Science held at Liverpool in September 1896 (London: John Murray, 1896), 674-683, on 678; reprinted as “Report of a Discussion on the Ascent of Water in Trees,” Annals of Botany 10 (1896), 630-643, on 635; Vines, “Discussion,” 644-647; Joly, “Discussion,” 647-660; FitzGerald, “Discussion,” 660-661.
3. J.S. Rowlinson, Cohesion: A Scientific History of Intermolecular Forces (Cambridge and New York: Cambridge University Press, 2002), p. 262.
4. Guillermo Angeles, Barbara Bond, John S. Boyer, Tim Brodribb, J. Renée Brooks, Michael J. Burns, Jeannine Cavender-Bares, Mike Clearwater, Hervé Cochard, Jonathan Comstock, Stephen D. Davis, Jean-Christophe Domec, Lisa Donovan, Frank Ewers, Barbara Gartner, Uwe Hacke, Tom Hinckley, N. Michelle Holbrook, Hamlyn G. Jones, Kathleen Kavanagh, Bev Law, Jorge López-Portillo, Claudio Lovisolo, Tim Martin, Jordi Martínez-Vilalta, Stefan Mayr, Frederick C. Meinzer, Peter Melcher, Maurizio Mencuccini, Stephen Mulkey, Andrea Nardini, Howard S. Neufeld, John Passioura, William T. Pockman, R. Brandon Pratt, Serge Rambal, Hanno Richter, Lawren Sack, Sebastiano Salleo, Andrea Schubert, Paul Schulte, Jed P. Sparks, John Sperry, Robert Teskey, and Melvin Tyree, “The Cohesion-Tension Theory,” New Phytologist 163 (2004), 451-452.
5. Ulrich Zimmermann, Heike Schneider, Lars H. Wegner, and Axel Haase, “Water ascent in tall trees: does evolution of land plants rely on a highly metastable state?” New Phytologist 162 (2004), 575-615.