By 1929 , it contained 1.4 million items and was becoming too large to house in the Stanford Library .
By 1926 , the Hoover War Library was known as the largest library in the world devoted to the Great War .
By 1929 , Hoover War Library contained 1.4 million items and was becoming too large to house in the Stanford Library .
By 1926 , the Hoover War Library was known as the largest library in the world devoted to the Great War .