Title: International conferences on ports and waterways
Subjects: Conference on Freedom of Communications and Transit (1st : 1921 : Barcelona), Conference on Freedom of Communications and Transit (2nd : 1923 : Geneva), Congresses, Harbors, Inland navigation, Paris Peace Conference (1919-1920), Conference on Freedom of Communications and Transit (1st : 1921 : Barcelona, Spain), Conference on Freedom of Communications and Transit (2nd : 1923 : Geneva, Switzerland), Paris Peace Conference (1919-1920) http://id.loc.gov/authorities/names/n80008740