About: http://webisa.webdatacommons.org/117134371

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 (books.google.ca/???) and this pdf are the closest references I could find (collectionscanada.gc.ca/obj/s4/f2/dsk3/ftp04/NQ65684.pdf).
http://www.w3.org/ns/prov#wasQuotedFrom	mathoverflow.net