Autor: Nancy Frey, 14 titluri

Nancy Frey,John Hattie,Douglas B. Fisher

Douglas Fisher,Nancy Frey,John Hattie,Marisol C. Thayre

Douglas Fisher,Nancy Frey,Russell J. Quaglia,Dominique Smith,Lisa L. Lande

Douglas Fisher,Nancy Frey,Rachelle S. Savitz

Douglas Fisher,Nancy Frey,Diane K. Lapp,Kelly Johnson

Dave Nagel,John T. Almarode,Douglas Fisher,Nancy Frey,Karen T. Flories

Douglas Fisher,William G. Brozo,Nancy Frey,Gay Ivey

John T. Almarode,Doug B. Fisher,Kateri Thunder,Sara Delano Moore,John Hattie,Nancy Frey

John T. Almarode,Doug B. Fisher,Joseph Assof,John Hattie,Nancy Frey

John T. Almarode,Douglas B. Fisher,Joseph Assof,Sara Delano Moore,John Hattie,Nancy Frey