ISBNs beginnend mit 978-3-905480-xx-x Climbing the Rigi /Rigi-Besteigung Mark TwainDorfpresseSoftcover1981 Climbing the Riffelberg /Riffelberg-Besteigung Mark TwainDorfpresseSoftcover198415,80 € Rigi-BesteigungJap. /Dt.Mark TwainDorfpresseSoftcover1985 Across the Bernese Oberland /Durchs Berner Oberland Mark TwainDorfpresseSoftcover1985 Holiday in Lucerne /Ferien in Luzern Mark TwainDorfpresseSoftcover1986