About: http://webisa.webdatacommons.org/157726136

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	I am sorry to say that the died an emigrant in 1940, and I cannot produce him as a witness here; but his book is a document and actually tells what this man experienced in those critical days.
http://www.w3.org/ns/prov#wasQuotedFrom	yale.edu