Search for: [Subject = League of Nations] OR [Subject = Barcelona \(Spain\)] OR [Subject = conference materials] OR [Subject = international law] OR [Subject = legal history] OR [Subject = Liga Narodów] OR [Subject = Barcelona \(Hiszpania\)] OR [Subject = materiały konferencyjne] OR [Subject = prawo międzynarodowe] OR [Subject = historia prawa] OR [Title = La Conférence de la Société des Nations a Barcelone \: texte complet des conventions et recommandations adoptées précédé d'une introduction] OR [Creator = Liga Narodów]