Cynic: Entry in Wikipedia on the small but influential school of ancient philosophy, whose members included Antisthenes, Diogenes of Sinope, Crates of Thebes, and Zeno.
Cynic School of Philosophy: From The Catholic Encyclopedia, by William Turner.
Cynicism: Brief paper on Cynicism
Cynics: One of the minor Socratic schools founded by Antisthenes, a follower of Socrates. Article from the Internet Encyclopedia of Philosophy.
The Cynic Philosophers and Their Techniques: Excerpt from the seminar given by Michel Foucault in 1983