William S. Burroughs
Tom Wolfe
Beatrice Sparks
David Guterson
Christiane Felscherinow
United States. General Accounting Office
Allen Carr
Gabor Maté
Norman Ohler
Suzette Glasner-Edwards
Matthew Randazzo V
Anonymous
Wolfgang Schivelbusch
Carl Hiaasen
Center for Substance Abuse Treatment (U.S.)
Richard B. Pelzer
Alexander Cockburn
Nicholas Seivewright