225 letters from 90 persons, including some addressed to other people and sent on to Collier, and 6 miscellaneous items. Chief correspondents are the Duke of Devonshire, Lord Ellesmere, Peter Cunningham and H.C. Robinson. Correspondents: Edward Arber (1836-1912) (1); Robert Balmanno (2); Rev. Henry Barry (3); George Bell (1814-1890) (4); Beriah Botfield (5-7); Charles Holte Bracebridge to Lord Ellesmere (8); John Bruce (1802-1869) (9-12); Sir James Lewis Knight Bruce (13); William Chappell (1809-1888) (14-17); Henry Fothergill Chorley to F. Shobert (18); Charles Clark (1806-1880) (19); John Duke Coleridge (20); John Dyer Collier to Dr. John Thelwell (21); Sir Patrick Mac Chombaich De Colquhoun (22); James William Cook (23); Frederick William Cosens (24-25); Samuel Cousins (1801-1887) (26); George Lillie Craik (27-28); Joseph Crosby (1821-1891) (29); Francis Cunningham (1820-1875) (30); Peter Cunningham (1816-1889) (31-42); William George Spencer Cavendish, Duke of Devonshire (1790-1858) (43-84); William Cavendish, Duke of Devonshire (1808-1891) (85-87); Charles Wentworth Dilke (1810-1869) (88-89); Alexander Dyce (90-95); Joseph Woodfall Ebsworth (96); Joseph Walter King Eyton (97-98); Francis Egerton, Earl of Ellesmere (99-117); George Granville Egerton, Earl of Ellesmere (118); Sir Charles Fellows (1799-1860) (119); James Edward Fitzgerald (1818-1896) (120); John Forster (1812-1876) (121-123); Charles William Frederickson (124-127); Horace Howard Furness (1833-1912) (128-131) Alexander Balloch Grosart (132); Samuel Carter Hall (133); James Orchard Halliwell-Phillipps (134-135); James Orchard Halliwell-Phillipps to William George Spencer Cavendish, Duke of Devonshire (136); Nicholas John Halpin (137); W.W. Hamilton (138); John Hannah (1818-1888) (139-141); James Hannen, Baron Hannen (142-143); Joseph Haslewood to Mr. Lewis (144); W.C. Hazlitt (145-148); Henry Holl (1811-1884) (149); William Hosking (1800-1861) (150); Thomas Howell (1802-1883) (151); Henry Huth (1815-1878) (152); Sir Robert Harry Inglis (153); William Josiah Irons (154); Swynfen Jervis (1797-1867) (155); Edward Jesse (1780-1868) (156-157); Charles Knight (1791-1873) (158-159); Joseph S. Lee to Lord Ellesmere (160); Lord William Pitt Lennox (161); C. Lewis to William George Spencer Cavendish, Duke of Devonshire (1790-1858) (162); L.E. Landon (Letitia Elizabeth Landon) (163); Thomas Longman (164-166); Edward Bulwer Lytton, Baron Lytton (1803-1873) (167); J. [James?] Macdonald (168); Charles Mackay (1814-1889) (169); William Charles Macready (1793-1873) (170); Friedrich Max Muller (171-173), (172) is from Mrs. Max Muller (Georgina Adelaide Muller); Tycho Mommsen (174-175); James Barclay Murdock (176); J. Murray (177); Joseph Parker Norris (1847-1916) (178); Algernon Percy, Duke of Northumberland (1792-1865) (179); George Whitlock Nicholl (180); Frederic Ouvry (181); Francis Turner Palgrave (182); Thomas Richards (fl. 1851-1883) (183); Edward Francis Rimbault (184); Henry Crabb Robinson (185-194); Thomas Rodd (1796-1849) (195); George Rose (1817-1882) (196); Samuel Weller Singer (197); Mary Slatcher to John Pycroft [Collier married into the Pycroft family] (198-199); Alexander Smith to J. Pycroft Collier and Miss Collier (200-201); Adam Clarke Smith (202); Charles Roach Smith (203); James Spedding (204-205); Philip Henry Stanhope, Earl Stanhope (1805-1875) (206); William John Thoms (207-216); William Tyson (1785-1851) (217); Thomas Uwins to Peter Cunningham (218); Thomas Uwins (219); J. Walter (220); John Walter (1818-1894) to Mr. Hibbard (221); Alaric Watts (222); Whittaker & Co. (223-224); W.W. Williams (225); 6 miscellaneous items (226-231).