Title: Briefe = Lettres d'Amand Gressly, le géologue jurassien (1814-1865) /
Authors: Gressly, Amanz, 1814-1865; Rollier, Henri Louis, 1859-1932.
Publisher: Impr. du "Petit jurassien,"
Year: 1911
Subjects: Geology History; Jura Mountains (France and Switzerland)