Landeskarte der Schweiz 1:200,000 = Carte Nationale de la Suisse.
Wabern-Bern : Eidg. Landestopographie,
1971-1976.
On verso: Town plans at 1:20,000.
The rev. sheets do not have the town plans on the reverse and are stored flat.
2 copies of sheet 4 (1 flat)
Sh. 1 (1972 ; rev. 1977) -- Sh. 2 (1973) -- Sh. 3 (1971 ; rev. 1975) -- Sh. 4 (1976)