About: http://webisa.webdatacommons.org/86521603

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	He wrote several dozen books and essays between 1870 and 1890, the active period of his career, on a variety of topics, including religion, morality and ethics, culture, philosophy, music, and science.
http://www.w3.org/ns/prov#wasQuotedFrom	ironchariots.org