Pierre Werner and Eugène Schaus at the signing of the protocol revising the BLEU Convention (Brussels, 29 January 1963)
ImageSource and copyright
Source: Archives familiales Pierre Werner, Luxembourg. 1962-1965, PW 201.
Bruxelles: Les Frères Haine, 29.01.1963. Noir et blanc.
Copyright: (c) Archives familiales Pierre Werner