CC BY-NC 4.0. Original at the Wren Library, Trinity College, Cambridge. Reproduced by permission of the Master and Fellows of Trinity College, Cambridge (Trinity College Library), Oxford University Press, Oxford ("Wittgenstein's Nachlass: The Bergen Electronic Edition", 2000), the University of Bergen, Bergen, and Uni Research (earlier "Unifob"), Bergen (Wittgenstein Archives at the University of Bergen). The sale, further reproduction or use of this or any image on the site for commercial purposes without prior permission from the right holders is prohibited.