About: http://webisa.webdatacommons.org/362190331

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	The letters, carried by steamer between India, America and other parts of the world, span the years 1837-1971, with the bulk occurring between 1905 and 1940.
http://www.w3.org/ns/prov#wasQuotedFrom	duke.edu