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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 Library.

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)

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