Authors: Aelbrecht --- Bastin --- Delaquis, Gaston --- Gigot --- Honegger, Max --- et al. Issenmann, Agnes --- Löhrer, Joseph --- Ruckstuhl, Monika --- Seiferle, Eugen --- Streiff, Elsie --- Van Snick, G. --- Weier, Paul --- Schranz, Jürgen --- Zumbrunn, Robert --- Pletscher, Sonja --- de Langhe, J.E.
Year: 1979 Publisher: Brussel Artis-Historia