| W. C. S. | William Charles Smith, K.C., M.A., LL.D.- Formerly Sheriff of Ross, Cromarty and Sutherland. Editor of Judicial Review, 1889–1900.
|  | Borough: Irish and Scottish. |
| W. C. U. | William Cawthorne Unwin, LL.D., F.R.S., M.Inst C.E., M.Inst M.E., A.R.I B.A.- Emeritus Professor of Engineering, Central Technical College, City and Guilds of London Institute. Author of Wrought Iron Bridges and Roofs; Treatise on Hydraulics.
|  | Bridges. |
| W. Hd. | Wilfranc Hubbard.- Correspondent of The Times in Rome.
|  | Bolivia: History (in part). |
| W. H. L. | William H. Lang, D.Sc.- Barker Professor of Cryptogamic Botany, University of Manchester. Author of Papers on Botanical Subjects, including Morphology and life history of Bryophyta, Pteridophyta and Gymnosperms, in scientific journals.
| | Bryophyta. |
| W. H. W.* | William Henry Whitfeld, M.A.- Trinity College, Cambridge. Card Editor of the Field.
| | Bridge: Game. |
| W. J. H.* | W. J. Hughan.- Past Senior Grand Deacon of Freemasons of England, 1874. Hon. Senior Warden of Grand Lodges of Egypt, Quebec and Iona, &c.
| | Builders’ Rites. |
| W. L. | Right Rev. William Lawrence, D.D., LL.D.- Bishop of Massachusetts. Author of Study of Phillips Brooks; Life of Roger Wolcott; &c.
| | Brooks, Phillips. |
| W. L. G. | William Lawson Grant, M.A.- Professor of Colonial History, Queen’s University, Kingston, Canada. Formerly Beit Lecturer in Colonial History, Oxford University. Editor of Acts of the Privy Council (Canadian Series).
| | Brock, Sir Isaac;
Brown, George. |
| W. L. R. C. | William Liest Readwin Cates (1821–1895).- Editor of Dictionary of General Biography. Author of A History of England from the Death of Edward the Confessor to the Death of King John. Part author of Encyclopaedia of Chronology.
| | Boscovich. |
| W. M. R. | William Michael Rossetti.- See the biographical article: Rossetti, Dante Gabriel.
| | Brown, Ford Madox. |
| W. R. L. | W. R. Lethaby, F.S.A.- Principal of the Central School of Arts and Crafts under the London County Council. Author of Architecture, Mysticism and Myth; &c.
| | Byzantine Art. |
| W. S. J. | William Stanley Jevons, LL.D.- See the biographical article: Jevons, William Stanley.
| | Boole. |
| W. Wr. | Williston Walker, Ph.D., D.D.- Professor of Church History, Yale University. Author of History of the Congregational Churches in the United States; The Reformation; John Calvin; &c.
| | Bushnell, Horace. |
| W. W. F.* | William Warde Fowler, M.A.- Fellow of Lincoln College, Oxford. Sub-Rector, 1881–1904. Gifford Lecturer, Edinburgh University, 1908. Author of The City-State of the Greeks and Romans; The Roman Festivals of the Republican Period; &c.
| | Bona Dea. |
| W. W. R.* | William Walker Rockwell, Lic. Theol.- Assistant Professor of Church History, Union Theological Seminary, New York.
| | Boniface (Popes VIII.–IX.). |