Nadaillac Du Pouget, Jean François Albert Sigismond, marquis de 1885. Pre-Historic America, trans. by N. d'Anvers, ed. by W. H. Dall, London: John Murray

Nansen, Fridtjof 1890. The First Crossing of Greenland, trans. from the Norwegian by Hubert Majendie Gepp, London: Longmans, Green, and Co.

Nansen, Fridtjof 1897. Farthest North: Being the Record of a Voyage of Exploration of the Ship 'Fram' 1893–96 and of a Fifteen Months' Sleigh Journey by Dr. Nansen and Lieut. Johansen, 2 vols, Westminster: Archibald Constable and Co.

Napier, John 1614. Mirifici logarithmorum canonis descriptio, ejusque usus, in utraque trigonometria, ut etiam in omni logistica mathematica, aamplissimi, facillimi, & expeditissimi explicatio, Edinburgh: Andrea Hart

[Napier, Macvey], ed. 1815–24. Supplement to the Fourth, Fifth, and Sixth Editions of the Encyclopaedia Britannica: With Preliminary Dissertations on the History of the Sciences, 6 vols, Edinburgh: Archibald Constable; London: Hurst, Robinson & Co.

Nares, Robert 1801. A Thanksgiving for Plenty; and a Warning Against Avarice: A Sermon, London: printed for the author

Nave, Johann 1867. A Handy-Book to the Collection and Preparation of Freshwater and Marine Algæ, Diatoms, Desmids, Fungi, Lichens, Mosses and Other of the Lower Cryptogamia: With Instructions for the Formation of an Herbarium, trans. and ed. by the Rev. W. W. Spicer, London: R. Hardwicke

Neilson, William [1855]. Mesmerism in its Relation to Health and Disease and the Present State of Medicine, Edinburgh: Shepherd & Elliot

Neubauer, Karl Theodor Ludwig and Vogel, Julius 1863. A Guide to the Qualitative and Quantitative Analysis of the Urine: Designed Especially for the Use of Medical Men, trans. by William O. Markham, 4th edn, London: New Sydenham Society

Nevins, John Birkbeck 1851. A Translation of the New London Pharmacopoeia: Including the New Dublin and Edinburgh Pharmacopoeia with a Full Account of the Chemical and Medicinal Properties of their Contents; Forming a Complete Materia Medica, London: Longman, Brown, Green, and Longmans

Newman, Edward 1869. Illustrated Natural History of British Butterflies and Moths; the Figures Drawn by George Willis and Engraved by John Kirchner, London: Glaisher

Newman, Edward 1871 [1870]. An Illustrated Natural History of British Butterflies and Moths, London: W. H. Allen

Newman, Edward, ed. 1881. A Dictionary of British Birds: Being a Reprint of Montagu's Ornithological Dictionary; Together with the Additional Species Described by Selby, Yarrell, in all Three Editions and in Natural History Journals, London: Sonnenschein and Allen

Newman, F. W. 1870. 'On Conic Osculation', Report of the Thirty-Ninth Meeting of the British Association for the Advancement of Science held at Exeter in August 1869, Notes and Abstracts of Miscellaneous Communications to the Sections, 13–14

Newman, John Henry 1841. Remarks on Certain Passages in the Thirty-Nine Articles, Tracts for the Times, vol. vi, No. 90, London: J. G. & F. Rivington

Newman, John Henry 1845. An Essay on the Development of Christian Doctrine, London: James Toovey

Newspaper Press Directory: The Newspaper Press Directory: Containing Full Particulars Relative to Each Journal, Published in the United Kingdom and the British Isles. A Complete Guide to the Newspaper Press of Each County, with the Newspaper Map of the United Kingdom. And a Directory of Magazines, Reviews, and Periodicals, London: C. Mitchell and Co., 1863

Newton, Isaac 1687. Philosophiae naturalis principia mathematica, Londini: Jussu Societatis Regiae ac Typis Josephi Streater

Newton, Isaac 1704. Opticks; or, A Treatise of the Reflexions, Refractions, Inflextions and Colours of Lights. Also Two Treatises of the Species and Magnitude of Curvilinear Figures, London: Sam. Smith and Benj. Walford

Newton, Isaac 1707. Arithmetica universalis: Sive de compositione et resolutione arithmetica liber. Cui accessit haleiana æquationum radices arithmetice invveniendi methodus. In Usum Juventutis Academicae, Cambridge: University Press; London: Benj. Tooke

Newton, Isaac 1729. Lectiones opticae. Annis MDCLXIX, MDCLXX et MDCLXXI in scholis publicis habitae: Et nunc primum ex MSS. in lucem editae, London: Guil. Innys

Nicholls, James Henry Kerry- 1884. The King Country; or, Explorations in New Zealand: A Narrative of 600 Miles of Travel Through Maoriland, London: S. Low, Marston, Searle & Rivington

Nicholson, Henry Alleyne 1870. A Manual of Zoology for the Use of Students, with a General Introduction on the Principles of Zoology, London: W. Blackwood and Sons

Nicholson, Henry Alleyne 1872. A Manual of Palæontology for the Use of Students. With a General Introduction on the Principles of Palæontology, Edinburgh: W. Blackwood and Sons

Nicholson, William 1795. A Dictionary of Chemistry: Exhibiting the Present State of the Theory and Practice of that Science, its Application to Natural Philosophy, the Processes of Manufactures, Metallurgy, and Numerous other Arts Dependant on the Properties and Habitudes of Bodies, in the Mineral, Vegetable, and Animal Kingdoms, 2 vols, London: G. G. and J. Robinson

Nightingale, Florence 1859. Notes on Nursing: What it is, and What it is Not, London: Harrison

Nightingale, Florence 1862. Hospital Statistics and Hospital Plans, London: Emily Faithfull & Co.

Noble, Thomas 1805. Practical Perspective Exemplified in Landscapes, London: Edward Orme

Nordau, Max Simon 1895a. Degeneration, London: Heinemann

Nordau, Max Simon 1895b. The Conventional Lies of Our Civilization, London: William Heinemann

Nordau, Max Simon 1896. Paradoxes, London: William Heinemann

Nourse, Joseph Everett 1884. American Explorations in the Ice Zones: The Expeditions of De Haven, Kane, Rodgers, Hayes, Hall, Schwatka, and De Long; the Relief Voyages for the Jeannette by the U. S. Steamers Corwin, Rodgers, and Alliance; the Cruises of Captains Long and Raynor, of the Merchant Service; the Greely Expedition and Rescue of the Survivors; the Discoveries of Lieutenant Lockwood, and the Naval Explorations in Alaska Under Lieutenants Ray and Stoney. With a Brief Notice of the Antarctic Cruise under Lieutenant Wilkes, 1840, and of the Locations and Objects of the U. S. Signal Service Arctic Observers. Prepared Chiefly from Official Sources, Boston: D. Lothrop and Company; London: Trübner

North, John S. 1986. The Waterloo Directory of Irish Newspapers and Periodicals, 1800–1900, Waterloo, Ont.: North Waterloo Academic Press, 1986

Nouveau dictionnaire d'histoire naturelle: Nouveau dictionnaire d'historie naturelle, appliquée aux arts, principalement a l'agriculture et à l'économie rurale et domestique, par une société de naturalistes et d'agriculteurs, 24 vols, Paris: Deterville, 1803–04

NPG: National Portrait Gallery A–Z of Portrait Artists, <http://www.npg.org.uk/live/search/a-z/artA.asp>

NSTC: Nineteenth Century Short Title Catalogue, Newcastle upon Tyne: Avero, 2002 [2 CD-ROMS]

NUC: National Union Catalog. Pre-1956 Imprints, 754 vols, London; Chicago: Mansell, 1968–81

Núñez, Ignacio 1825. An Account, Historical, Political, and Statistical, of the United Provinces of Rio de la Plata: With an Appendix, Concerning the Usurpation of Monte Video by the Portuguese and Brazilian Governments, London: R. Ackermann