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Correspondence of John Tyndall, Volume 13 : The Correspondence, June 1872-September 1873
by McLeod, Roy, Radick, Gregor...
ISBN: 9780822947424
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British Fungus Flora (Agarics and Boleti) : Cortinariaceae P. P. Galerina, Gymnopilus, Leuco...
by Watling, Roy, Gregory, N. M...
ISBN: 9781872291093