Minimalism and organizational mortality - patterns of disbanding among US Trade Associations, 1900-1983, Howard Aldrich, et al; ecological analysis of semiconductor firm morality, John Freeman; do larger organizations generate stronger competition?, William P.Barnett and Terry L.Aamburgey; density delay in the evolution of organizational populations - a model and five empirical tests, Glenn R.Carroll and Michael T.Hannam; on the maturation and aging of organizational populations, Joel A.C.Barum and Robert J.House; the dynamics of organizational studies, Charles J.Lumsden and Jitendra V.Singh; intra-organizational ecology of strategy making and organizational adaptation - theory and preliminary empirical investigation, Robert A.Burgelman; founding characteristics, imprinting and organizational change, David J.Tucker, et al; organizational adaptation, environmental selection and random walks, Daniel A.Levinthal; evolution in communities of voluntary organizations, Miller McPherson; competition and the evolution of organizational size distributions, Michael T.Hannam, et al; survival, selection and inheritance in evolutionary theories of organization, Sidney G.Winter; notes of a skeptic - from organizational ecology to organizational evolution, Marshall W.Meyer; future directions in organizational evolution, Jitendra V.Singh.