Education Before Five a handbook of Preschool EducationBoegehold, Betty D., Harriet K. Cuffaro, William H. Hooks and Gordon J. Klopf (editors) · First published 1977Open the Tome
New Careers and Roles in the American SchoolBowman, Garda W.; Klopf, Gordon J. · First published 1968Open the Tome
Integrating the urban schoolGordon J. Klopf, Israel Laster · First published 1963 · Latest edition 1964Open the Tome
