If you would like to access our collections, we recommend that you book an appointment in advance. This will enable us to retrieve any books and boxes for you in advance.
Published by the US Government in 1945 this report details the scientific methods used to develop the hydrogen fuelled nuclear bombs dropped on Hiroshima and Nagasaki.
The Russian Social Democratic Labour Party held its first Congress in 1903 in Brussels and then moved to London. The proceedings were chaired by Plekhanov. It was clear from the start that there was a split between two factions - the Bolsheviks (led by Lenin) and the Mensheviks (led by Martov). By 1912 the split was permanent.