Statistics for occurrence #1 of “Switzerland” in chapter 18, page 20 of Laura E. Richards, Maud Howe, Florence Howe Hall, Julia Ward Howe, 1819-1910, in two volumes, with portraits and other illustrations: volume 1:
... September was spent in Switzerland.
Chamounix filled the travellers with delight.
They walked up the Brevant, rode to the Mer de Glace on muleback.
The great feature, however, of this visit to Switzerland was the Geneva Congress,
...