THIOLY (François). Excursion to Savoie and Switzerland, Vallée de Sixt, ascent of Le Buet and Le Brévent. Vallée de Chamonix, montanvert et la Mer de glace, la Tête Noire, Martigny et Saint-Maurice. Geneva, by the author, 1859. In-8°, full leather binding, smooth spine with gilt title throughout, illustrated cover preserved (Modern binding). First edition, entirely autographed. Illustrated with 18 drawings in the text by J. P. Souillier. Account of climbs in Le Buet and the Chamonix valley. Very rare. Attached, by the same author: - Ascension des Dents d'Oche et du Midi, Genève, par l'auteur, 1863. In-8°, full leather binding, smooth spine with gilt title throughout, covers preserved (Modern binding). First edition, illustrated with 4 hors-texte drawings in fine. Perret, 4253 and 4258