of The Library Association, 1877-1977, London: The Library Association, 1976; Ranganathan, S.R., "Sayers and Donker Duyvis: Theory and Manner of Library Classification", Annals of Library Science, 8(3) September 1961, 85-99. References External links Sayers, W. C. Berwick (William Charles Berwick) 1881-1960 Collection AR1011 - W.C. Berwick Sayers Collection Painting of W. C. Berwick Sayers British librarians 1881 births 1960 deaths