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by Ball, Robert Stawell; Ball, W. Valentine
by Ball, Valentine
by Edited by T. G. Tutin , V. H. Heywood , N. A. Burges , D. M. Moore , D. H. Valentine , S. M. Walters , D. A. Webb , Assisted by P. W. Ball , A. O. Chater , I. K. Ferguson
by Edited by T. G. Tutin , V. H. Heywood , N. A. Burges , D. M. Moore , D. H. Valentine , S. M. Walters , D. A. Webb , Assisted by P. W. Ball , A. O. Chater , R. A. DeFilipps , I. K. Ferguson , I. B. K. Richardson
by Tavernier, Jean-baptiste; Ball, Valentine
by Valentine, Michael H.; Morgan, Brian; Ball, Jason