Walter Benjamin's On Hashish might be a good place to start: http://www.hup.harvard.edu/catalog.php?isbn=9780674022218 http://www.hup.harvard.edu/catalog.php?is

Walter Benjamin's On Hashish might be a good place to start: http://www.hup.harvard.edu/catalog.php?isbn=9780674022218 http://www.hup.harvard.edu/catalog.php?isbn=9780674022218 This subject is extensive. Hashish can be extraordinarily psychedelic.