About: http://webisa.webdatacommons.org/212088448

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	This book is a collection of letters I have received and answered over the years from people all over the world.
http://www.w3.org/ns/prov#wasQuotedFrom	cyclopaedia.net