by International Meteorological Congress. Vienna, 1873

1874

by United States. Department of State, United States. Department of State. Division of International Organization Affairs

1946

by International Meteorological Committee

1904

by Hugo Hildebrand Hildebrandsson, International Meteorological Committee, G. Hellmann

1909

by Institute of International Education (New York, N.Y.)

1921

by International Meteorological Congress

1890

by International Hydrographic Bureau

1924

by International Meteorological Committee

1887

1873

by Institute of International Education (New York, N.Y.)

1921

by International Meteorological Committee. Zürich, 1888

1888

by League of Nations. International Committee on Intellectual Co-operation, League of Nations

1922