This group numbers 616 records.
Formats represented include pamphlets, clippings, and newspapers.
Many are illustrated with photographs. Dates range from 1728 to 1942. A great number of these pamphlets were either received from former students of Mazzoni's, or acquired through his political activities as Senator of Italy. There are a number of pamphlets scattered throughout the collection concerning the development of aviation in Italy. A number of pamphlets concern Galileo and other important scientists.