1. Delayed speech: developmental mutism;Bakwin;Pediat. Clin. N. Amer.,1968
2. Manual for the Bayley Scales of Infant Development;Bayley,1969
3. Behavior modification in the mentally retarded, application of operant conditioning principles;Bijou;Pediat. Clin. N. Amer.,1968
4. Behavior Modification in Child Treatment: An Experimental and Clinical Approach;Browning,1971
5. Establishing Vocal Verbalizations in Mute Mongoloid Children;Buddenhagen,1971