Handbook of developmental disabilitiesSamuel L. Odom, Robert H. Horner, Martha E. Snell, Jan Blacher, Jan B. Blacher · First published 2009Open the Tome
Steps to IndependenceBruce L. Baker, Alan J., Ph.D. Brightman, Jan B. Blacher, Louis J., Ph.D. Heifetz · First published 1976Open the Tome