About: http://webisa.webdatacommons.org/184505460

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	Frank: -- I saw, there was a fascinating letter, carbon copy, I think, whether it was a carbon copy, I do not know, but my memory says it was, letter from to Houtermanns to Weizsacker.
http://www.w3.org/ns/prov#wasQuotedFrom	aip.org