There's a short novel by Austrian writer Leo Perutz[1] called "St Petri-Schnee" (The Virgin's Brand in English) from 1933 which deals with this. It's about some

There's a short novel by Austrian writer Leo Perutz[1] called "St Petri-Schnee" (The Virgin's Brand in English) from 1933 which deals with this. It's about someone trying to bring forth a popular religious and monarchist reawakening through a drug extracted from ergot. It was written before LSD was discovered. [1] https://en.wikipedia.org/wiki/Leo_Perutz https://en.wikipedia.org/wiki/Leo_Perutz