Anarchist symbolism - Wikipedia
ANARCHISM.net: The Circle A
Meaning of the Anarchy Symbol: History, Politics, & More - wikiHow
The Symbols of Anarchy – Anarchist Federation
The Red Flag of Anarchy - The Anarchist Library
Anarchist FAQ – Appendix: The Symbols of Anarchy
Anarchist symbolism - Anarchopedia
The Circle-A Symbol of Anarchism - CRW Flags
Appendix - The Symbols of Anarchy - Activism.net
An Anarchist FAQ - The Symbols of Anarchy - Anarchopedia