found: Work cat.: Bannerman, M. Modelling the Matilda infantry tank, 2004:p. 4 (Infantry Tank Mk. II (A12), better known as the Matilda)
found: Fletcher, D. Matilda infantry tank 1938-1945, 1994.
found: Wikipedia, via WWW, Mar. 13, 2006(Matilda Tank. The A12 Infantry Tank II Matilda (sometimes referred to as Senior Matilda or Matilda II) was a British tank of World War II. In a somewhat unorthodox move, it shared the same name as the A11 Infantry Tank I. Infantry Tank Mk II was designed at the Royal Arsenal, Woolwich)