Wikipedia: Xenocrates
- Entry drawn from the 1911 Britannica.
- http://en.wikipedia.org/wiki/Xenocrates

Life of Xenocrates
- Section from the Lives of the Philosophers, as compiled by Diogenes Laertius and translated by C.D. Yonge.
- http://classicpersuasion.org/pw/diogenes/dlxenocrates.htm

Xenocrates
- A detailed article by Russell Dancy on this thinker's life and teachings. From the Stanford Encyclopedia of Philosophy.
- http://plato.stanford.edu/entries/xenocrates/

FOLDOC: Xenocrates
- Entry from the philosophical database, with links to related entries.
- http://www.swif.uniba.it/lei/foldop/foldoc.cgi?Xenocrates

Biography.com: Xenocrates
- Concise paragraph on his teachings.
- http://search.biography.com/print_record.pl?id=11817

Columbia Encyclopedia: Xenocrates
- Concise paragraph on this early scholarch.
- http://www.bartleby.com/65/xe/Xenocrat.html

MacTutor History of Mathematics: Xenocrates of Chalcedon
- Biography, bibliography and list of related topics.
- http://www-gap.dcs.st-and.ac.uk/~history/Mathematicians/Xenocrates.html