| A. C. G. | Albert Charles Lewis Gotthilf Gunther, M.A., M.D., Ph.D., F.R.S.- Keeper of Zoological Department, British Museum, 1875–1895. Gold Medalist, Royal Society, 1878. Author of Catalogues of Colubrine Snakes, Batrachia salientia, and Fishes in the British Museum; &c.
|  | Mackerel (in part). |
| A. C. S. | Algernon Charles Swinburne.- See the biographical article: Swinburne, Algernon Charles.
|  | Marlowe, Christopher; Mary, Queen of Scots. |
| A. E. J. | Arthur Ernest Jolliffe, M.A.- Fellow, Tutor and Mathematical Lecturer, Corpus Christi College, Oxford. Senior Mathematical Scholar, 1892.
|  | Maxima; Minima. |
| A. F. P. | Albert Frederick Pollard, M.A., F.R.Hist.Soc.- Professor of English History in University of London. Fellow of All Souls’ College, Oxford. Author of England under the Protector Somerset; Henry VIII.; &c.
|  | Macalpine, John. |
| A. G. D. | Arthur George Doughty, C.M.G., M.A., Litt.D., F.R.Hist.S.- Dominion Archivist of Canada. Member of the Geographical Board of Canada. Author of The Cradle of New France; &c. Joint-editor of Documents relating to the Constitutional History of Canada.
|  | McGee, T. A. |
| A. Ha. | Adolf Harnack.- See the biographical article: Harnack, Adolf.
|  | Manichaeism (in part); Marcion. |
| A. H. F. | Rev. Andrew Hollingworth Frost, M.A.- Principal of Church Missionary College, Islington, 1870–1874.
|  | Magic Square. |
| A. H. S. | Rev. Archibald Henry Sayce, LL.D., Litt.D.- See the biographical article: Sayce, Archibald Henry.
|  | Lycia; Lydia. |
| A. H.-S. | Sir A. Houtum-Schindler, C.I.E.- General in the Persian Army. Author of Eastern Persian Irak.
|  | Mazandaran. |
| A. J. G.* | Arthur James Grant, M.A.- King’s College, Cambridge. Professor of History in the University of Leeds.
|  | Louis XIII., XIV. and XV. of France. |
| A. J. H. | Alfred J. Hipkins, F.S.A. (1826–1903).- Formerly Member of Council and Hon. Curator of the Royal College of Music, London. Member of Committee of the Inventions and Music Exhibition, 1885; of the Vienna Exhibition, 1892; and of the Paris Exhibition, 1900. Author of Musical Instruments; &c.
|  | Lute (in part); Lyre (in part). |
| A. M. C. | Agnes Mary Clerke.- See the biographical article: Clerke, A. M.
|  | Maskelyne; Mayer, Johann Tobias. |
| A. M. Cl. | Agnes Muriel Clay (Mrs Edward Wilde).- Formerly Resident Tutor of Lady Margaret Hall, Oxford. Joint-editor of Sources of Roman History, 133–79 B.C.
|  | Magistrate. |
| A. M. F. | Rev. Andrew Martin Fairbairn, M.A., D.D., LL.D.- See the biographical article: Fairbairn, A. M.
|  | Martineau, James. |
| A. N. | Alfred Newton, F.R.S.- See the biographical article: Newton, Alfred.
|  | Lory; Love-Bird; Lyre-Bird; Macaw; Magpie; Mallemuck; Manakin; Manucode; Martin. |
| A. N. W | Alfred North Whitehead, M.A., D.Sc, F.R.S.- Fellow and Senior Lecturer in Mathematics, Trinity College, Cambridge. Author of A Treatise on Universal Algebra.
|  | Mathematics. |
| A. R. C. | Alexander Ross Clarke, C.B., F.R.S.- Colonel R.E. Royal Medal of Royal Society, 1887. In charge of Trigonometrical Operations of the Ordnance Survey, 1854–1881.
|  | Map: Projections (in part). |