GIACOSA (Giuseppe). Castelli valdostani e canavesani. Turin, Roux Frassati, 1898. In-folio, publisher's decorated cloth binding (some spotting, rippling of cloth on spine). First edition, illustrated with 58 hors-texte woodcuts and 12 etchings (7 by Carlo Chessa and 5 by Celestino Turletti). A reference work on the castles of the Valle d'Aosta. Also included: - BROCHEREL (Giulio): Valle d'Aosta. Novara, De Agostini, 1953. In-8°, paperback. Second edition, illustrated with 128 black and white photographs. A good work on the description and history of the Valle d'Aosta, profusely illustrated. Together 2 important works on the Aosta Valley.