by R.M. Nisbet | W.S.C. Gurney.
by R.H. Pain | B.J. Smith.
by G. E. Shuliman | .
by Ernst S. Reese | Frederick J. Lighter.
by W.R. Butt | .
by H. Ghadimi | .
by Gordon Maskew Fair | .
by Maskew Gordon Fair | .
by Jerome O. Nriagu | .
by M. Alexander | .
by O.W. Israelsem | Vauge E. Henderson.
by F.E. Tuoneaue | .
by Josef D. Zimmerman | .
by Croft, L R | .
by Lapanje, Savo | .
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