1. The entry into natural communities of reinforcement;Baer,1970
2. Cerebral palsy;Bleck,1975
3. Special education for the mildly mentally retarded—is much of it justifiable?;Dunn;Exceptional Children,1968
4. It's time we taught the young how to be good parents (and don't you wish we'd started a long time ago?);Hawkins;Psychology Today,1972
5. Who decided that was the problem? Two stages of responsibility for applied behavior analysts;Hawkins,1975