1980, William A. Emboden, Narcotic Plants, It is an important observation that unlike the other categories discussed in this book, the true hallucinogens are non-addicting.
Terence Morris, Pentonville: A Sociological Study of an English Prison‎, Strictly speaking, marijuana is non-addicting
2005, Kenneth W Wanberg, Criminal Conduct and Substance Abuse Treatment, The sometimes proclaimed view that marijuana is non-addicting is contradicted by observed withdrawal effects.
