United States. Patent Office. (1885). Subject-matter index of patents for inventions (attestati di privative industriali) granted in Italy from 1848 to May 1, 1882. GPO.
Chicago Style (17th ed.) CitationUnited States. Patent Office. Subject-matter Index of Patents for Inventions (attestati Di Privative Industriali) Granted in Italy from 1848 to May 1, 1882. [Washington]: GPO, 1885.
MLA (9th ed.) CitationUnited States. Patent Office. Subject-matter Index of Patents for Inventions (attestati Di Privative Industriali) Granted in Italy from 1848 to May 1, 1882. GPO, 1885.
Warning: These citations may not always be 100% accurate.