Dreves

Dreves also (Analecta hymnica, XL, 204) favours the ascription.

The Catholic Encyclopedia, Volume 13: Revelation-Stock 1840-1916 1913

Dreves (loc. cit., pp. 180-1) notes that several references are made to the hymn by Hincmar of Reims, one of the most interesting being his objection to the theology of the last stanza ( "Te trina Deitas", subsequently changed into the present form: "Te summa O Deitas").

The Catholic Encyclopedia, Volume 13: Revelation-Stock 1840-1916 1913

(Dreves, "Analecta hymnica") and a sequence composed by Notker, "Laus tibi Christe", but most Churches at Mass used the "Clesa pueri concrepant melodia" (Kehrein, "Sequenzen", 1873, p. 348).

The Catholic Encyclopedia, Volume 7: Gregory XII-Infallability 1840-1916 1913

MSS. and translations; Dreves and Blume, Analecta Hymnica (Leipzig),

The Catholic Encyclopedia, Volume 9: Laprade-Mass Liturgy 1840-1916 1913

Dreves in 1886, continued after 1896 with his fellow Jesuit Father

The Catholic Encyclopedia, Volume 7: Gregory XII-Infallability 1840-1916 1913

XXXVII, XXXIX, XI, XLII, XLIV, LIII (Leipzig, 1899-1911); vols VII-X were edited by Dreves, XI by Bannister, LIII by Blume and Bannister, and the others by Blume; vols.

The Catholic Encyclopedia, Volume 12: Philip II-Reuss 1840-1916 1913

Trier, denying it to St. Ambrose because of its rhyme and thinking it may possibly be by St. Gregory with the remark that, if a choice must be made between the two, he would certainly choose him; Biraghi does not include it in his inni sinceri of St. Ambrose, nor does Dreves place it among those "possibly his".

The Catholic Encyclopedia, Volume 12: Philip II-Reuss 1840-1916 1913

The "Analecta hymnica" of Dreves and Blume contains a large number of rhythmical offices, hymns, and sequences for this feast.

The Catholic Encyclopedia, Volume 14: Simony-Tournon 1840-1916 1913

Benedicti Nurseni etc. (Leipzig, 1908); Dreves in Analecta

The Catholic Encyclopedia, Volume 12: Philip II-Reuss 1840-1916 1913

The later development (seventeenth and eighteenth centuries) was on the whole unpropitious, but in recent years the reform initiated by Meister, Bäumker, and Dreves, has been attended with gratifying success.

The Catholic Encyclopedia, Volume 10: Mass Music-Newman 1840-1916 1913