Keywords: CH-NB-Souvenir Lac des 4 cantons -Vues--18762-page001.tif fr Livre Souvenir Lac des 4 cantons 188 Swiss National Library nbdig-18762 Garcin Auguste Public domain PD-old-100 Swiss National Library CH-NB-Souvenir Lac des 4 cantons User Swiss National Library/Attribution-Recommendation nbdig-18762 Media contributed by the Swiss National Library Lake Lucerne |