IDG Books,

McGraw-Hill,

Films for the Humanities & Sciences,

American Heart Association,

American Psychological Association,

McGraw-Hill,

West,

Warner Bros.,

A&E Home Video : Marketed and distributed by New Video Group,

The University,

U.S. Dept. of Health and Human Services, Public Health Service, Food and Drug Administration, Center for Drugs and Biologics ; For sale by the Supt. of Docs., U.S. G.P.O.,

Johnson Pub. Co.,