"John Deere".2013.29-4-2013.5-3-13.Http://:en.wikipedia.org/wiki/John Deere

"John Deere Logo".Deere and Company.2013.5-3-13.
      https://www.google.com/search? q=john+deere+history

"John Deere, History".2013.5-3-13
      http://www.deere.com/wps/dcom/en_US/corporate/our_company/about_us/history/history.page.

"John Deere".2012.5-6-13
    <http://www.pbequip.com/?gclid=CNC55J-qgrcCFUNgMgodwkQAQw>

  "John Deere History".Deere and Company.2013.5-7-13.
      <http://www.greenfunstore.com/John-Deere-History_ep_45-1.html

"John Deere Timeline".Deere and Company.2012.5-7-13.      <http://www.deere.co.za/wps/dcom/en_ZA/our_company/about_us/history/timeline/timeline.page.>

"John Deere Interesting Facts".Deere and Company.2008-2012.5-7-13.
    <http://blog.machinefinder.com/12979/20-interesting-facts-you-may-not-know-about-john-deere- diesel-engines>

"John Deere Toys and Clothing".Deere and Company.1996-2013.5-8-13.
    <http://www.johndeeregifts.com/>

"Deere Motto".MachineFinder.2008-2013.5-9-13
     < http://www.machinefinder.com/ww/en-US/articles/deere-motto-logo-among-americas-top-ten-1504>

"John Deere Historical".Deere And Company.5-9-13
      <https://www.youtube.com/watch?v=AiH-BoYw7a0>