http://info.med.yale.edu/library/exhibits/

yalemed3/19711981.html

The Tucson Zoo

Lewis Thomas

http://www.vcu.edu/engweb/LewisThomas.htm

Author Interview: http://www.bookpage.com/BPinterviews/thomas492.html

Teaching Guides:

     http://www.glencoe.com/sec/literature/course/course5/unit2/theme6/web

          resources/tucson.shtml

     http://www.langara.bc.ca/writingcentre/handouts/summary.html