A Brief History of Tanks – The Historic England Blog

Today, 20 November 2017, marks the centenary of the first mass use of tanks in the First World War.

U.S. Army Center of Military History

Review: Arsenalen - the Swedish National Tank Museum - Mechtraveller

Standoff in Berlin, October 1961, Article

M4 Sherman Tank, The National WWII Museum

The Tank Book – The Tank Museum

Tank, Facts, History, & Pictures

Image and description of a World War I tank, introduced during the Somme Offensive - ™

A Brief History of Tanks – The Historic England Blog

History of the tank - Wikipedia