| F. W. R.* | Frederick William Rudler, I.S.O., F.G.S.- Curator and Librarian of the Museum of Practical Geology, London, 1879-1902. President of the Geologists’ Association, 1887-1889.
| | Rock-Crystal; Rubellite; Ruby. |
| G. A.* | Gertrude Franklin Atherton.- Author of Rezánov; Ancestors; The Tower of Ivory; &c.
| | Rezánov. |
| G. Ch. | George Chrystal, M.A., LL.D.- Professor of Mathematics and Dean of the Faculty of Arts, Edinburgh University. Hon. Fellow and formerly Fellow and Lecturer of Corpus Christi College, Cambridge. R
| | Riemann, Georg. |
| G. C. W. | George Charles Williamson, Litt.D.- Chevalier of the Legion of Honour. Author of Portrait Miniatures; Life of Richard Cosway, R.A.; George Engleheart; Portrait Drawings; &c. Editor of the New Edition of Bryan’s Dictionary of Painters and Engravers.
| | Russell, John (Painter). |
| G. Du. | George Duthie, M.A., F.R.S. (Edin).- Director of Education, Southern Rhodesia.
| | Rhodesia: Geography and Statistics. |
| G. J. T. | George James Turner.- Barrister-at-Law, Lincoln’s Inn. Editor of Select Pleas of the Forests for the Selden Society.
| | Ridings. |
| G. R. P. | George Robert Parkin, LL.D., C.M.G.- See the biographical article: Parkin, G. R.
| | Rhodes, Cecil: Rhodes Scholarships. |
| G. Sa. | George Saintsbury, LL.D., D.C.L.- See the biographical article: Saintsbury, George E. B.
| | Retz, Cardinal de; Romance; Ronsard; Rousseau, Jean Jacques. |
| G.Sn. | Grant Showerman, A.M., Ph.D.- Professor of Latin at the University of Wisconsin. Member of the Archaeological Institute of America. Member of the American Philological Association. Author of With the Professor; The Great Mother of the Gods; &c.
| | Rhea (Mythology). |
| H. B. | Hilary Bauermann, F.G.S. (d. 1909).- Formerly Lecturer on Metallurgy at the Ordnance College, Woolwich. Author of A Treatise on the Metallurgy of Iron.
| | Safety-Lamp. |
| H. Br. | Henry Bradley, M.A., Ph.D.- Joint-editor of the New English Dictionary (Oxford). Fellow of the British Academy. Author of The Story of the Goths; The Making of English; &c.
| | Riddles. |
| H. B. M. | The Very Rev. Canon H. B. Mackey, O.S.B.- Author of Four Essays on St Francis de Sales.
| | Sacred Heart. |
| H. Ch. | Hugh Chisholm, M.A.- Formerly Scholar of Corpus Christi College, Oxford. Editor of the 11th edition of the Encyclopaedia Britannica. Co-editor of the 10th edition.
| | Representation; Rosebery, Earl of. |
| H. De. | Hippolyte Delehaye, S.J.- Assistant in the compilation of the Bollandist publications: Analecta Bollandiana and Acta Sanctorum.
| | Roch, St; Rupert, St; Saint. |
| H. E. | Karl Hermann Ethé, M.A., PH.D.- Professor of Oriental Languages, University College, Aberystwyth (University of Wales). Author of Catalogue of Persian Manuscripts in the India Office Library, London (Clarendon Press); &c.
| | Rūmī; Sa'dī. |
| H. F. G. | Hans Friedrich Gadow, F.R.S., Ph.D.- Strickland Curator and Lecturer on Zoology in the University of Cambridge. Author of “Amphibia and Reptiles,” in the Cambridge Natural History.
| | Reptiles: Anatomy and Distribution. |
| H. F. P. | Henry Francis Pelham, LL.D., D.C.L.- See the biographical article: Pelham, H. F.
| | Rome: Ancient History (in part). |
| H. Go. | Henry Goudy, M.A., D.C.L., LL.D.- Regius Professor of Civil Law, Oxford, and Fellow of All Souls’ College. Author of The Law of Bankruptcy in Scotland; &c.
| | Roman Law. |
| H. S. H. | Henri Simon Hymans, Ph.D.- Keeper of the Bibliothèque Royale de Belgique, Brussels. Author of Rubens: sa vie et son œuvre.
| | Rubens (in part). |
| H. L. H. | Harriet L. Hennessy, M.D. (Brux.), L.R.C.P.I., L.R.C.S.I.-
| | Respiratory System: Pathology (in part); Rheumatoid Arthritis. |
| H. M. V. | Herbert M. Vaughan, F.S.A.- Keble College, Oxford. Author of The Last of the Royal Stuarts; The Medici Popes; The Last Stuart Queen.
| | St Davids. |
| H. R. T. | Henry Richard Tedder, F.S.A.- Secretary and Librarian of the Athenaeum Club, London.
| | Rymer, Thomas. |
| H. St. | Henry Sturt, M.A.- Author of Idola Theatri; The Idea of a Free Church; Personal Idealism.
| | Relativity of Knowledge. |
| H. S. J. | Henry Stuart Jones, M.A.- Formerly Fellow and Tutor of Trinity College, Oxford, and Director of the British School at Rome. Member of the German Imperial Archaeological Institute. Author of The Roman Empire; &c.
| | Roman Art; Rome: Ancient City (in part). |
| H. S.-K. | Sir Henry Seton-Karr, C.M.G., M.A.- M.P. for St Helen’s. 1885-1906. Author of My Sporting Holidays; &c.
| | Rifle. |