Jeff & Caroline's pages of 17th Century Stuff - Information for 17th century reenactors. Includes advice on being an artilleryman and musketeer, sewing and costumemaking tips. - http://www.12eyes.co.uk/
The Siege Group - Englishmen reenacting the English Civil War (with occasional forays to later periods) with reference to the specific history of their venues. Schedule of events and contact information. - http://www.siegegroup.free-online.co.uk/
17th Century Life And Times - A small society of two regiments concentrating on living history and small battle reenactment displays. Site has brief history and civil war timeline. - http://www.17thcenturylifeandtimes.com
Tattershall Trayned Band - Elizabethan and English Civil War re-enactors based in the southwest USA. Includes details of how to make a matchlock musket. - http://jan.ucc.nau.edu/~wew/Tattershall-tb/tattershall-tb.html
The Guild of Gentry and Allied Skills - UK-based group specializing in civilian life in 17th Century England, including but not limited to the English Civil War. - http://www.thegasco.org