Thompson Model of 1927

http://www.1927a1.com/

Auto-Ordnance

http://www.auto-ordnance.com/

Doug Richardson

http://www.thompsonsmg.com/

Tommy Gunner

http://www.tommygunner.com/

National Museum of Ireland

http://www.museum.ie/en/intro/arts-and-history.aspx

History Ireland magazine

http://www.historyireland.com/

Mikes Machine Guns

http://www.mikesmachineguns.com/

Gordon Herigstad

http://www.thompsonaccessories.com/home.htm

Auto-Ordnance Corporation

http://www.auto-ordnancecorporation.com/

Colt Tommy Gunner

http://www.colttommygunner.com/guns.html

The Thompson Collectors Association

http://thetca.net/default.aspx

TSMG article

http://www.saf.org/LawReviews/PSharpe1.html

Unofficial Tommy Gun Page

www.nfatoys.com/tsmg