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by Gaylord, Richard
by Simpson, George Gaylord; Roe, Anne; Lewontin, Richard C.
by Paul R. Wellin , Richard J. Gaylord , Samuel N. Kamin
by Westra, Laura; Wenz, Peter S.; Hargrove, Eugene; et al.
by Briley, Richard Gaylord
by Gaylord, Richard J.; Kamin, Samuel N.; Wellin, Paul R.
by Gaylord, Richard J.; Dandria, Louis J.