Helvétia.
By: Texte de Charly Guyot, photographies de Théo Frey.
Contributors: Guyot, Charly, 1898.
Publisher: Editions Ides et Calendes
Published: 1954
Place of publication: Neuchatel
Language: fre
Subjects: Switzerland -- Pictorial works.
Genres: Pictorial works.