Thriving and Spirituality among YouthAmy Eva Warren, Richard M. Lerner, Erin Phelps · First published 2011Open the Tome
Positive Youth Development and SpiritualityRichard M. Lerner, Robert W. Roesner, Erin Phelps, Peter Benson · First published 2008Open the Tome
Cognitive growth through peer collaborationWilliam Damon, Erin Phelps, Radcliffe College. Henry A. Murray Research Center · First published 1985Open the Tome
Transitions in the development of formal reasoning in fourth gradersErin Phelps · First published 1981Open the Tome
