See Bædeker The Rhine and Northern Germany (1868) page 15

After touring southern Switzerland with Joseph Twichell, Sam joined his family at Lucerne and stayed at the Schweitzerhof Hotel.  He visited nearby towns and ascended the Rigi-Kulm.

See Bædeker Switzerland, 1879 page 41

Bædeker Switzerland (1877) Route 18 page 51

Basel has often been the site of peace negotiations and other international meetings. The Treaty of Basel (1499) ended the Swabian War. Two years later Basel joined the Swiss Confederation. The Peace of Basel in 1795 between the French Republic and Prussia and Spain ended the First Coalition against France during the French Revolutionary Wars. In more recent times, the World Zionist Organization held its first congress in Basel from 29 August through 31 August 1897.

Bædeker Belgium and Holland (1869) Route 13 page 139