Atlas, [129].

Balance, [23], [47], [67], [75]–[77], [81]–[86] (triple), [106], [108], [111], [114], [132], [136], [142], [147].

Blindness, [182], [183].

Charts, [14], [17], [126], [127], [135], [136], [140].

Circuit, [54], [58], [59].

Complementary, [76], [77].

Color, dimensions of, [3], [8], [9], [13], [25], [53], [94], [116].

Curves, [94].

Discs, Maxwell’s, [76], [93], [106]–[112], [113], [117].

Harmony, [47], [77], [86], [145]–[148], [151]–[174], [180].