- (EnciclopediaScuola) DICTIONARY OF USEFUL KNOWLEDGE. Elementary encyclopedia of science, literature and art. Compiled by specialists in the various subjects on the programs of secondary schools and for the use of families. Mario Lessona and Francesco Cosentini. UTET. 1920. 6 volumes. Hardcover. Average condition. Some peeling. Loose binding. The title page of the 1st volume is missing. With 3528 b/w figs. pp. 6934.
