El socialismo libertario de. Centro Para la Promoción, Investigación Rural y Social. [30 March 2009]. （原始内容存档于28 September 2007） （西班牙语）.
crwflags.com
1602 Dekker Satirom. Wks. 1873 I. 233 What, dost summon a parlie, my little Drumsticke? tis too late: thou seest my red flag is hung out. 1666Lond. Gaz. No. 91/4 That the Red Flag was out, both Fleets in sight of each other, expecting every hour fit weather to Engage. Flags of the World, "Flag of Defiance" （页面存档备份，存于互联网档案馆）.
1602 Dekker Satirom. Wks. 1873 I. 233 What, dost summon a parlie, my little Drumsticke? tis too late: thou seest my red flag is hung out. 1666Lond. Gaz. No. 91/4 That the Red Flag was out, both Fleets in sight of each other, expecting every hour fit weather to Engage. Flags of the World, "Flag of Defiance" （页面存档备份，存于互联网档案馆）.
