Bibliography
Ball, Johnny. Go Figure! A Totally Cool Book About Numbers (Bccb Blue Ribbon Nonfiction Book Award (Awards)). New York: DK CHILDREN, 2005.
"Eratosthenes -." Wikipedia, the free encyclopedia. 22 Nov. 2009. 23 Nov. 2009 <http://en.wikipedia.org/wiki/Eratosthenes#Works>.
O'Connor, J. J., and E. F. Robertson. "Eratosthenes biography." MacTutor History of Mathematics. Jan. 1999. 22 Nov. 2009 <http://www-history.mcs.st-andrews.ac.uk/Biographies/Eratosthenes.html>.
"Sieve of Eratosthenes -." Wikipedia, the free encyclopedia. 20 Nov. 2009. 23 Nov. 2009 <http://en.wikipedia.org/wiki/Sieve_of_Eratosthenes>.
Spielvogel, Jackson J. Western civilization a brief history : comprehensive volume. Vol. 1. Belmont, CA: Thomson/Wadsworth Learning, 2005.
"Eratosthenes -." Wikipedia, the free encyclopedia. 22 Nov. 2009. 23 Nov. 2009 <http://en.wikipedia.org/wiki/Eratosthenes#Works>.
O'Connor, J. J., and E. F. Robertson. "Eratosthenes biography." MacTutor History of Mathematics. Jan. 1999. 22 Nov. 2009 <http://www-history.mcs.st-andrews.ac.uk/Biographies/Eratosthenes.html>.
"Sieve of Eratosthenes -." Wikipedia, the free encyclopedia. 20 Nov. 2009. 23 Nov. 2009 <http://en.wikipedia.org/wiki/Sieve_of_Eratosthenes>.
Spielvogel, Jackson J. Western civilization a brief history : comprehensive volume. Vol. 1. Belmont, CA: Thomson/Wadsworth Learning, 2005.
Picture Bibliography
Hobish, Mitchell K. "Remote Sensing Tutorial Page 16-1." The Remote Sensing Tutorial. 22 Nov. 2009 <http://rst.gsfc.nasa.gov/Sect16/Sect16_1.html>. (Earth)
O'Connor, J. J., and E. F. Robertson. "Eratosthenes biography." MacTutor History of Mathematics. Jan. 1999. 22 Nov. 2009 <http://www-history.mcs.st-andrews.ac.uk/Biographies/Eratosthenes.html>. (Eratosthenes portrait)
"Sieve of Eratosthenes (with worked solutions & videos)." Online Math Help & Learning Resources. 2009. 24 Nov. 2009 <http://www.onlinemathlearning.com/sieve-eratosthenes.html>. (Prime numbers sheet)
O'Connor, J. J., and E. F. Robertson. "Eratosthenes biography." MacTutor History of Mathematics. Jan. 1999. 22 Nov. 2009 <http://www-history.mcs.st-andrews.ac.uk/Biographies/Eratosthenes.html>. (Eratosthenes portrait)
"Sieve of Eratosthenes (with worked solutions & videos)." Online Math Help & Learning Resources. 2009. 24 Nov. 2009 <http://www.onlinemathlearning.com/sieve-eratosthenes.html>. (Prime numbers sheet)