S. G. Harrison (Harrison, S. G.)

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  The Illustrated Book of Food Plants
  by B. E. Nicholson, S. G. Harrison, G.B. Masefield, Michael Wallis
  Hardcover, Peerage Books, ISBN 1850520178 (1-85052-017-8)
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  Index of Collectors in the Welsh National Herbarium
  by S. G. Harrison, Welsh National Herbarium Staff
  Softcover, National Museum of Wales (Amgueddfa Genedlaethol Cymru), ISBN 0720002958 (0-7200-0295-8)
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  The Oxford Book of Food Plants
  by Michael Wallis, Stephen G. Harrison, G. B. Masefield, Barbara Evelyn Nicholson
  Hardcover, Oxford Univ Pr, ISBN 0199100063 (0-19-910006-3)
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  Welsh Timber Trees: Native and Introduced
  by S. G. Harrison, National Museum of Wales, H. A. Hyde
  Hardcover, National Museum of Wales, ISBN 0720002028 (0-7200-0202-8)