Sewell, P. H. (Philip Hooper) The regional library systems / by P. H. Sewell ; revised with the assistance of P. W. Plumb. - 2nd ed. - London: The Library Association, 1956. - 71 p. ; 21 cm. - Library Association pamphlet no. 2. . p. 67-68. Subjects--Topical Terms: Library, Regional.Libraries--Great Britain. Subjects--Geographic Terms: Great Britain--Libraries.