The Failed Globalization of Psychedelic Drugs in the Early Modern World: why did some drugs rapidly emerge as global consumer goods in the era of the Columbian Exchange, whereas others remained restricted to regional centres of usage? User smurfyjenkins, in the International Relations subreddit, 02 Sep 2021
The Failed Globalization of Psychedelic Drugs in the Early Modern World User PatientModBot, in the patient_hackernews subreddit, 12 May 2021