Notation, [36], [37], [40]–[42], [47], [67], [72], [86], [101], [133].

Orange, [9]–[11], [89], [123].

Parallels, [12], [119].

Paths, [157], [158], [160]–[164].

Perception, [27], [29], [39], [179].

Principal (5), [4], [16], [21], [26], [31], [34], [40], [54], [56], [57].

Principal (5) and intermediates (5), [31], [60], [68], [112], [134].

Purity, [8], [19], [23], [89], [98], [99].

Records [145].

Relations, [14], [24], [36], [37], [153].