by Association des chimistes et ingénieurs de sucreries, distilleries et industries agricoles de France et de l'union français

1887

by American Medical Association

1910

by British Association for the Advancement of Science. Meeting

1914

by International Railway Congress Association

1897

by British Association for the Advancement of Science. Meeting

1930

by International Railway Congress Association

1903

by British Association for the Advancement of Science. Meeting

1929

by International Railway Congress Association

1897

by International Railway Association

1897

by British Association for the Advancement of Science

1916

by British Association for the Advancement of Science

1913

by British Association for the Advancement of Science. Meeting

1905