G Gaudeamus igitur, [75] Greek influences, [23], [27], [38], [42] Gregorian chant, [12], [81] Gregory the Gt., Pope St., [12], [14], [23], [27], [36], [63]
H “Hail, Sea-Star we name Thee,” [16], [91] “Hail thee, festival day,” [73], [110] Hartmann of St. Gall, [67] Hilary B. of Poitiers, [1], [74] Horae, [53], [58] Hymn cycles, [9]-10 Hymnarium or hymnary, [24], [44]
I Ildefonsus, Primate of Toledo, [13] “In flowing measures,” [26], [92] Isidore of Seville, [1], [13], [30], [65]
J James, St., of Campostella, [56] Jumièges Antiphonary, [41] Jerome, St., [1]
L Later Hymnal, [19], [23], [24]-5, [28], [30], [33] Laude al crucifisso, [78] Laudi spirituali, [78] Lent, [32] Louis the Pious, [19], [20], [21], [25], [30]
M Macaronic verse, [58] Mary the Virgin, St., feasts of, [32], [44], [47], [64], [67], [69], [70], [71], [72] Metrical forms of Latin hymns, [5], [6], [26], [27], [65], [74], [76] Metz, [20], [37], [41] Modus, [43], [75] Monte Cassino, [16], [20] Mozarabic Hymns, [12]-4, [30]-1, [54], [59] Music, [6]-7, [12], [20], [22], [27]-8, [35], [39], [43], [73], [81]-2
N Nativity, [8], [32], [44], [67] Neumes, [27], [38]-9 Ninth Century Hymnal, see [Later Hymnal] Notker Balbulus, [22], [39], [41], [42], [43], [45], [46], [47], [77]
O “O glorious immensity,” [31], [94] “O Splendor of God’s glory,” [3], [84] Old Hymnal, [10], [12], [17], [30] Osmund, B. of Salisbury, [52] Otfried the Frank, [76]
P Palm Sunday, [65], [70] Passion, [32], [44], [62] Paulus Diaconus, [21], [26] Peckham, John, Archb. of Canterbury, [50] Pentecost, [32], [44], [48] Peristephanon, [3], [75] Peter Damian, [49] Phos hilaron, [62] Pilgrimage hymns, [56] Pippin, [11], [19], [20], [22] “Praise, O Sion, praise thy Saviour,” [50], [105] Processional (Book), [53], [70] Processions (Litany), [63], [68] Processions (Station), [63] Primer, [53] Prosa or prose, [35], [37], [41] Prudentius (Aurelius Prudentius Clemens), [3], [8], [27], [74], [75] Psalmi idiotici, [10]
R Rabanus Maurus, [26], [29], [67] Radbert of Corbie, [26], [67], [68] Reichenau, [24], [25], [30], [69] Roman chant, [7], [20] Roman Rite, [12], [20], [52]