|Link=https://books.google.be/books?id=V1BMAAAAcAAJ&printsec=frontcover&dq=Observationes+Et+Coniecturae+In+Numismata+Quaedam+Antiqua&hl=fr&sa=X&ved=0ahUKEwiw_dqP8bvkAhXBalAKHcz1BR4Q6AEILDAA#v=onepage&q&f=false | |Link=https://books.google.be/books?id=V1BMAAAAcAAJ&printsec=frontcover&dq=Observationes+Et+Coniecturae+In+Numismata+Quaedam+Antiqua&hl=fr&sa=X&ved=0ahUKEwiw_dqP8bvkAhXBalAKHcz1BR4Q6AEILDAA#v=onepage&q&f=false |