1. Cocaine Author(s): Herschberger, Vern. Publication: Waco, Tex. : Health Edco, Inc., [198-?] Subject(s): CocaineSubstance-Related Disorders -- psychology
2. Say no to drugs Author(s): Herschberger, Vern. Publication: Waco, Tex. : Health Edco, Inc., [198-?] Subject(s): Substance-Related Disorders -- prevention & controlSubstance-Related Disorders -- psychology
