World War 1
Worldwar1.com: Trenches on the Web: Armory
Trenches on the Web offers a set of charts on World War I Armory, which includes the categories of artillery, gas, guns, naval, tanks, trenches, troops, U-boats, and Zeppelins. Be sure to click on "View Set" for each category to see...
Wikimedia
Wikipedia: World War I
This site from the Encyclopedia Wikipedia provides an in-depth encyclopedia article on World War I, giving information about the origins of the war, the initial outbreak, new technology introduced during the war, the Russian Revolution,...
World War 1
Worldwar1.com: Trenches on the Web: Armory: Tanks: Page 1
This site provides a "Tank Comparison Table" outlining the specifications for several different types of tanks used in World War I, as well as photographs of tanks and descriptions.
World War 1
Worldwar1.com: Trenches on the Web: Armory: Tanks: Page 2
This site provides a chart with photographs of tanks used in World War I along with descriptions.