Gratian, Decretum. (Migne, Patrologiæ cursus, vol. clxxxvii.) Parisiis, 1855.
Graul (K.), Reise nach Ostindien. 5 vols. Leipzig, 1854–56.
Gray (J. H.), China. 2 vols. London, 1878.
Green (J. R.), History of the English People. 4 vols. London, 1879–81.
Greenwood (Thomas), The First Book of the History of the Germans. London, 1836.
Gregor (Walter), Notes on the Folk-lore of the North-East of Scotland. London, 1881.
Gregorovius (Ferdinand), Wanderings in Corsica. Trans. 2 vols. London, 1855.
Gregory I. (Saint), surnamed the Great, Opera omnia. 5 vols. (Migne, Patrologiæ cursus, vols. lxxv.-lxxix.) Parisiis, 1849.
Gregory III., ‘Judicia congrua poenitentibus’; in Labbe-Mansi, Sacrorum Conciliorum collectio, vol. xii. Florentiæ, 1766.
Gregory IX., ‘Decretales’; in Corpus juris canonici, ed. by A. Friedberg, vol. ii. Lipsiæ, 1881.