Xenocrates
Links
MacTutor History of Mathematics: Xenocrates of Chalcedon
http://www-gap.dcs.st-and.ac.uk/~history/Mathematicians/Xenocrates.html
Biography, bibliography and list of related topics.
Columbia Encyclopedia: Xenocrates
http://www.bartleby.com/65/xe/Xenocrat.html
Concise paragraph on this early scholarch.
Biography.com: Xenocrates
http://search.biography.com/print_record.pl?id=11817
Concise paragraph on his teachings.
FOLDOC: Xenocrates
http://www.swif.uniba.it/lei/foldop/foldoc.cgi?Xenocrates
Entry from the philosophical database, with links to related entries.
Xenocrates
http://plato.stanford.edu/entries/xenocrates/
A detailed article by Russell Dancy on this thinker's life and teachings. From the Stanford Encyclopedia of Philosophy.
Ancient Greek Scientists: Xenocrates of Chalcedon
http://www.tmth.edu.gr/en/aet/1/98.html
Notes on his life and mathematical achievements.
Wikipedia: Xenocrates
http://www.wikipedia.org/wiki/Xenocrates
Entry drawn from the 1911 Britannica.
Life of Xenocrates
http://classicpersuasion.org/pw/diogenes/dlxenocrates.htm
Section from the Lives of the Philosophers, as compiled by Diogenes Laertius and translated by C.D. Yonge.