Newman (F. W.), Anglo-Saxon Abolition of Negro Slavery. London, 1889.
Newman (J. H.), Apologia pro vita sua. London, 1873.
Nicolaus I. (Pope), ‘Epistolae et decreta’; in Migne, Patrologiæ cursus, vol. cxix. Parisiis, 1852.
Nieboer (H. J.), Slavery as an Industrial System. The Hague, 1900.
Niebuhr (C.), Travels through Arabia. Trans. 2 vols. Edinburgh, 1792.
Nielsen (F.), Tertullians Ethik. Kjøbenhavn, 1879.
Nietzsche (F.), Also sprach Zarathustra. 4 vols. Chemnitz & Leipzig, 1883–91.
Nisbet (Hume), A Colonial Tramp. 2 vols. London, 1891.
Njála. Ed. by Det Kongelige Nordiske Oldskrift-Selskab. 2 vols. Köbenhavn, 1875–89.
Nonius Marcellus, De proprietate sermonis. Lipsiae, 1826.