Chapter VI.—Opp. v. 437, 18; iv. 165; v. 109, 110, 534; vi. 15; v. 532; iii. 12; v. 106; v. 49; iv. 343; vi. 127; iii. 30; iv. 87; iii. 57; v. 490; iv. 40-41; iii. 30; iv. 334; iv. 35; iii. 12, 30; v. 97; iii. 234-40; iv. 49; v. 98, 131; iv. 42-3.
Chapter VII.—Opp. v. 142, 168, 173, 248, 250; iv. 291; v. 106, 242, 142, 137-8, 290; iv. 175-7, 42-3; v. 153, 241; iv. 9; v. 96, 242, 574; iv. 332; v. 97; iv. 176-7, 43; v. 176, 131.
Chapter VIII.—Opp. iv. 309-13; v. 185; iii. 55, 28, 43-4; v. 97; iii. 47-52, 52-3; iv. 14, 45, 57; v. 148, 133; iii. 53, 85-7, 58; v. 240-41, 484; iv. 170-71, 180, 351.
Chapter IX.—Opp. v. 462-3, 544; iv. 43-4, 46; iii. 94, 192-3, 85, 87; iv. 18, 335, 15; v. 129-30, 563, 564; iii. 55; v. 571; iv. 245, 13, 159-60; Scritti inediti, Del Giudice, pp. 11-14.
Chapter X.—Opp. v. 13-14, 128, 143-4, 172, 570; iii. 22; iv. 42; v. 97, 572, 45-6, 463.
Chapter XI.—Opp. iv. 62; v. 116, 183, 558, 559, 561, 570; vi. 127; iii. 95; iv. 249.
Chapter XII.—Same sources as for Ch. I. and also vi. 105-6; v. 524-5.
Chapter XIII.—Opp. v. 60; iii. 249; v. 157, 167-70, 108; iii. 251-61; iv. 17, 253; v. 103, 217-18, 562; Scritti inediti, p. 9.
Chapter XIV.—Opp. v. 94-6, 58, 79, 321, 63-4, 84-5, 96, 93, 100; iv. 27-8, 29-30, 97, 169, 200, 271; v. 182-3, 61-4; iii. 230; iv. 236-43, 184; iii. 450-59; v. 113, 115, 149, 211, 59, 74, 100, 183; iv. 75-6, 89; v. 206; iv. 99; iii. 273; v. 260; iii. 280; v. 430-31, 202-3, 98-9.