I am indebted to many sources for the loan of necessary material. In the first place I must acknowledge my debt to the Carnegie Trust for the Universities of Scotland for allowing me a grant of £40 in 1908-9, and of £30 in 1909-10, for the collation of manuscripts. Without this it would have been impossible for me to collate, or have collated for me, the widely scattered manuscripts in London, Petworth, Oxford, Cambridge, Manchester, and Boston. Some of my expenses in this connexion have been met by the Delegates of the Clarendon Press, who have also been very generous in the purchase of necessary books, such as editions of the Poems and the Sermons. At the outset of my work the Governing Body of Christ Church, Oxford, lent me the copy of the edition of 1633 (originally the possession of Sir John Vaughan (1603-1674) Chief Justice of the Common Pleas) on which the present edition is based, and also their copies of the editions of 1639, 1650, and 1654. At the same time Sir Walter Raleigh lent me his copy of the edition of 1669. At an early stage of my work Captain C. Shirley Harris, of 90 Woodstock Road, Oxford, communicated with me about Donne's use of the word 'Mucheron', and he was kind enough to lend me both his manuscript, _P_, and the transcript which he had caused to be made. By the kindness of Lord Ellesmere I was permitted to collate his unique copy of the 1611 edition of the _Anatomy of the World_ and _Funerall Elegie_. While I was doing so, Mr. Strachan Holme, the Librarian, drew my attention to a manuscript collection of Donne's poems (_B_), and with his kind assistance I was enabled to collate this at Walkden, Manchester, and again at Bridgewater House. Mr. Holme has also furnished a photograph of the title-page of the edition of 1611. To the authorities of Trinity College, Dublin, and of Trinity College, Cambridge, I am indebted not only for permission to collate their manuscripts on the spot, but for kindly lending them to be examined and compared in the Library at King's College, Aberdeen; and I am indebted for a similar favour to the authorities of Queen's College, Oxford. In Dublin I met Professor Edward Dowden, and no one has been a kinder friend to my enterprise. He put at my disposal his interesting and valuable manuscript (_D_) and all his collection of Donne's works. He drew my attention to a manuscript (_O'F_) in Ellis and Elvey's catalogue for 1903. Mr. Warwick Bond was good enough to lend me the notes he had made upon this manuscript, which ultimately I traced to Harvard College Library. With Professor Dowden, Mr. Edmund Gosse has given me the most generous and whole-hearted assistance. He lent me, as soon as ever I applied to him, his valuable and unique Westmoreland MS., containing many poems which were not included in any of the old editions. Some of these Mr. Gosse had already printed in his own delightful _Life and Letters of John Donne_ (1899), but he has