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- United States. Department of State8
- Switzerland7
- United States5
- Switzerland, participant in treaty3
- United States, participant in treaty3
- United States. Department of State, issuing body3
- United States, author2
- Ames, Azel1
- Bienz, Andreas F.1
- Du Bois, W.E.B., (William Edward Burghardt)1
- Gilman, Nicholas Paine1
- Kent, Alexander1
- Lindsay, Samuel McCune1
- Low, A. Maurice, (Alfred Maurice)1
- Marti, Sibylle1
- Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung1
- Thom, William Taylor1
- United States. Congress. House1
- United States. Department of Labor1
- Willoughby, William F., (William Franklin)1