Sewell, Philip Hooper Library co-operation in the United Kingdom : existing arragements, gaps in provision and research which may be needed / P. H. Sewell - London : British Library, 1979 - 69 p. - British Library research and development reports ; rept. no. 5479 . Monografía ISBN: 0905984382 Subjects--Corporate Names: British Library Subjects--Index Terms: Bibliotecas - Cooperación - Gran Bretaña LC Class. No.: Z791.A1/S47