This collection consists of technical plans and details of the Deloro mining processes, labour relations and union papers, medical information concerning arsenic poisoning, historical material regarding Deloro and the village of Marmora, maps, and plant photographs, layouts, and site plans.

Fonds consists of scrapbooks, archaeological photographs, and research papers generated primarily by Gilbert Bagnani. The fonds also includes earlier World War I military photographs generated by Ugo Bagnani. Some of the photographs show Mrs. Bagnani in court dress. Also included are Stewart Bagnani bridal photographs.