by J.W. Cxampbell | .
by John Richards | .
by Indra K.Vasil | .
by M. F. Barile | .
by Jeffrey M. Becker | .
by D.R. Osborne | .
by Jeffery M.Becker | .
by Burr G.Atkinson | .
by James N. Thompson | .
by J.Herbert Taylor | .
by James N.Thompson | .
by Robert Plutchik | .
by Michael Brenner | .
by Joachim F. Wohlwill | .
by Hayne W.Reese | .
by Hayne W. Reese | .
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