https://books.google.fr/books?id=p7NBAAAAcAAJ&printsec=frontcover&dq=Theodor+Mommsen&hl=fr&sa=X&ei=4mKQVLizBILraL3KgZAO&ved=0CCUQ6AEwAA#v=onepage&q=Theodor%20Mommsen&f=false
https://books.google.fr/books?id=r8FUAAAAcAAJ&pg=PA52&dq=Theodor+Mommsen&hl=fr&sa=X&ei=4mKQVLizBILraL3KgZAO&ved=0CC0Q6AEwAQ#v=onepage&q=Theodor%20Mommsen&f=false
https://books.google.fr/books?id=r8FUAAAAcAAJ&pg=PA52&dq=Theodor+Mommsen&hl=fr&sa=X&ei=4mKQVLizBILraL3KgZAO&ved=0CC0Q6AEwAQ#v=onepage&q=Theodor%20Mommsen&f=false