[15] RAMUSIO, 1, 127.

[16] BODINO, De republica, VI, 3; PLINIO, XXXIII, 9.

[17] BUDEO, De asse, libro V. VALERIO MASSIMO, libro IV.

[18] PLUTARCO, in Camillo.

[19] ARCHIMEDE, De insident. humid.

[20] PROCOPIO in Historia anecdota.

[21] Genesi, XXV, 33.

[22] QUINTILIANO, libro IV.

[23] FRANCESCO BACONE, Impetus philosoph.

[24] MARIN GHETALDO, Archimedis propositiones, XVII.