Letters to Rabindranath Tagore, Bodleian Library, Oxford
Letters to Robert Graves, Bodleian Library, Oxford
Letters to Edmund William Gosse, Bodleian Library, Oxford
Letters to Harold Monro, Bodleian Library, Oxford
Letters to William Rothenstein, Bridges papers, Bodleian Library, Oxford
Letters to George Bernard Shaw, British Library, St Pancras, London, and Bodleian Library, Oxford
MSS, correspondence and literary letters, Bodleian Library, Oxford
Correspondence with Henry Bradley, Bodleian Library, Oxford
Letters to A. H. Bullen, Bodleian Library, Oxford
Correspondence with Samuel Butler, Bodleian Library, Oxford
Letters to Bertram Dobell, Bodleian Library, Oxford
Letters to Alfred Fairbank, Bodleian Library, Oxford
Letters to H. A. L. Fisher, Bodleian Library, Oxford
Letters to Edmund Gosse, Bodleian Library, Oxford
Letters to J. W. MacKail, Bodleian Library, Oxford
Letters to Harold Minto, Bodleian Library, Oxford
Letters to Gilbert Murray, Bodleian Library, Oxford
Letters to Henry Newbolt, Bodleian Library, Oxford
Letters to Logan Pearsall Smith in the Bodleian Library, Oxford
Letters to E. J. Thompson, Bodleian Library, Oxford
Correspondence with W. B. Yeats, Bodleian Library, Oxford
Letters to Lascelles Abercrombie, Bodleian Library, Oxford
Letters to A. C. Benson, Bodleian Library, Oxford
Correspondence with Samuel Butler, Sir Sidney Cockerell, Norman MacColl, E. W. Scripture, Charles Wood, British Library, St Pancras, London
Add. Ms 50529, correspondence with George Bernard Shaw, British Library, St Pancras, London
Add. Ms 73235, letters to G. K. Chesterton, British Library, St Pancras, London
Letters to F. J. H. Jenkinson, Cambridge University Library
Letters to Edmund Gosse, Perkins Library, Duke University
Letters to Sir William Rothenstein, Houghton Library, Harvard University
Letters to E. M. Forster, King's College Archive Centre, Cambridge
Letters to Roger Fry (incl. copies), King’s College Archive Centre, Cambridge
Letters to Sir Thomas Barlow; letters to Samuel Gee, Royal College of Physicians of London
Letters to C. V. Stanford, Royal College of Music, London
Letters to Percy Withers, Somerville College, Oxford
Correspondence with R. C. Trevelyan, Trinity College, Cambridge
Letters to George Bell & Sons; letters to Sir Hubert Parry and Lord Arthur Ponsonby, University of Reading Library
Letters to Sir Thomas Barlow and Lady Barlow, Wellcome Library for the History and Understanding of Medicine, London
Letters to C. H. O. Daniel, Worcester College, Oxford