The best place to go would be what the driving force behind prohibition pontificated on this issue.
https://www.cannabis.info/en/blog/ha...bout-marihuana

Here are 5 of the 15 quotes cited.
1.

Marijuana is the most violence-causing drug in the history of mankind.​

2.

Reefer makes darkies think they're as good as white men.​

3.

There are 100,000 total marijuana smokers in the US, and most are Negroes, Hispanics, Filipinos and entertainers. Their Satanic music, jazz and swing, result from marijuana usage. This marijuana causes white women to seek sexual relations with Negroes, entertainers and any others.​​

4.

You smoke a joint and you're likely to kill your brother.​

5.

Marijuana is an addictive drug which produces in its users insanity, criminality, and death.