by William.M Kurtines | .
by John F. Travers | .
by P.H. Mussen | .
by Ellen H. Flavell | .
by P.H.Mussen | .
by D.B Bromley | .
by R.L.Thorndike | .
by Nalvern J Gross | .
by Marc H. Bornstein | .
by Raymond Simon R. Draper | .
by Robert C. Williamson | .
by Anthony H.Galt | .
by H.M. Dix | .
by Glenn O.Schwab | .
by Martin W. Holdgate | .
by A. Hald | .
by Martin Alexander | .
by J.T.Edsall | .
by Dorothy Siegert Lyle | .
by Eric G. Ball | .
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