links History of Routledge Routledge Revivals: Reprints from humanities and social sciences publications, from the backlists of Routledge imprints. Routledge & Kegan Paul Archives: Ledgers, authors' agreements, printed catalogues and other papers 1853–1973, University College London. Records of Routledge & Kegan Paul: Correspondence files covering the period 1935 to 1990, as well as review files 1950s–1990s, Special Collections, University of Reading Library. Archives of George Routledge & Company 1853-1902, Chadwyck-Healey Ltd, 1973. 6 reels of microfilm and printed index. (Available from ProQuest) Archives of Kegan Paul, Trench, Trubner and Henry S. King 1858-1912, Chadwyck-Healey Ltd,1973. 27 reels of microfilm with index on microfiche. (Available from Proquest) Academic publishing companies Book publishing companies of the United Kingdom Companies based in Oxfordshire Reference publishers Vale of White Horse 1998 mergers and acquisitions 1851 establishments in England Publishing companies established in 1851