• Cassina, Ubaldo, De morali disciplina humanæ Societatis libri duo, Parma: Reale Stamperia, 1778.

  • http://books.googleusercontent.com/books/content?req=AKW5QaeTZb6DHLmFFGUb5MB_Pz0RiyvBGf9cXjCjytyefoavK_dr7gzvXQh589r3jCigosiHvSR3in49aUuD4FMOWa_0mDBKCNumGnhSPP5OyclHzq5GgjvjXaUIWHlKP3HgV7n68RYbZWAZz7zhbetlqGJFNQV5AtFPn0zBrYe_6pilWoKNzQZRvu9YQUUdYrdNXJ3BgryRfzakAzNFfykaz6ouhSKGeznw6QObPV-aztTYz84tzvQHbd36svGSJC49LeYNOALFr5jl8vkCTnbdSBAmJQRvsaFeP_woh45PFrTViCxGt_E