Additional Resources Examples of sketchbooks can be found on ????? <a href="http://www.drawingsofleonardo.org/">http://www.drawingsofleonardo.org/</a> ????? <a href="http://goya.unizar.es/InfoGoya/Work/Italiano.html">http://goya.unizar.es/InfoGoya/Work/Italiano.html</a> ????? <a href="http://www.scribd.com/doc/6990304/Leonardo-?????Da-?????Vinci-?????Sketch-?????Book-?????05">http://www.scribd.com/doc/6990304/Leonardo-?????Da-?????Vinci-?????Sketch-?????Book-?????05</a> Appendix ????? Attached are examples of annotated drawings from a 2nd