Signing of the Treaty on the Non-Proliferation of Nuclear Weapons (London, 1 July 1968)
ImageSource and copyright
Source: Signing the Nuclear Weapons Non-Proliferation Treaty [online]. Moscow: RIA Novosti. Black and White.
BelgaImage. ID: 21616852.
Available at: http://www.belgaimage.be.
Copyright: (c) Belga Photo