by I.H.Suffet | .
by Vincent W. Cochrane | .
by W. Mansfield Clark | .
by Fred Shectman | .
by H. O. Henderson | .
by Peter Mcdonald | .
by C. C. Totman | .
by Dieterr Mueller -Dombois | .
by David G.Robinson | .
by J.P.Grime | .
by Moshe Y. Sachs | .
by Elvin F. Donaldson John K Pfahl | .
by G. E. Jones | .
by R. N. Saveland | .
by F. Theodore Struck | .
by Hugh Synge | .
by Petr Zuman | .
by Stephen Spotte | .
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