The Sterling Morton Library at the Morton Arboretum Lisle, Illinois The Henry S. Olcott Memorial Library at the Theosophical Society Wheaton, Illinois.
Learn 2011 Jan-Jun Booklet
Minnesota Landscape Arboretum Learn Adult Class Catalog Spring-Summer 2012
Minnesota Landscape Arboretum Learn Class Guide June-Dec 2011
Minnesota Landscape Arboretum Learn Family Class Catalog Spring-Summer 2012
