Smith, 47.
Sofocle, 5, 163, 165.
Spencer, 12, 14, 17, 86, 121, 199,
201, 212, 213, 214, 225.
Spina, 177.
Tarde, 6, 193.
Taine, 232.
Tammeo, 187.
Tetens, 73.
Tissot, 47.
Thompson, 5, 65, 128.
Tommaseo, 156.
Tucidide, 101.
Ulpiano, 252, 253.
Virgilio, 6.
Wagner, 188.
Weber, 21, 73.
Wilson, 5, 65.
Wundt, 10, 28, 29, 73, 74, 80, 118, 125, 127, 128, 132, 209, 219.
Zanardelli, 71, 179, 249.