About: http://webisa.webdatacommons.org/139217113

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	My father didn???t keep a lot of his papers, but, fortunately, one of the letters he preserved was written by author Anne McCaffrey on September 15, 1967 - and which her son has graciously permitted me to reproduce here.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com