The collection contains selected correspondence of Frederick Warne & Co., the London publishers, or of the Warne brothers. Correspondents include authors, poets, and playwrights offering their work for publication, such as Robert Buchanan, George Manville Fenn, Edmund Gosse, Louisa L. Greene, Joseph Hatton, Anthony Hewitson, Mary Howitt, Alexander Ireland, and Lord Rowton. There is an undated letter with pen-and-ink drawings by the Irish composer Paul J. McSwiney, asking for employment in Warne's book illustration or designing department. A letter sent from Windsor Castle by Sir Henry Ponsonby, private secretary to Queen Victoria, dated December 10, 1881, thanks Warne for the copy of the May Blossom which the firm had the kindness to present to her, and a letter from J. F. Daly, secretary of Benjamin Disraeli, sent from 10 Downing Street on May 8, 1878, thanks the company for sending the prime minister a copy of Mr. Clinton's The Peninsular War. Also included is a letter from the Rev. W. S. Gibson to "My Dear Warne" about the preparatory school he is setting up, asking him to print notices advertising for pupils. In addition, there is a letter from Samuel Davey seeking to purchase autographs of literary celebrities.