About: http://webisa.webdatacommons.org/239732067

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Tulip bulbs were then considered a form of currency and the demand for tulip bulbs reached such a peak that enormous prices were charged for a single bulb.
http://www.w3.org/ns/prov#wasQuotedFrom	newworldencyclopedia.org