<http://webisa.webdatacommons.org/311915128> <http://www.w3.org/ns/prov#value> "Made by hand, each is a little different from the other, but David is managing to keep these differences small." . <http://webisa.webdatacommons.org/311915128> <http://www.w3.org/ns/prov#wasQuotedFrom> <blogspot.com> . <http://webisa.webdatacommons.org/prov/87841777> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/311915128> . <http://webisa.webdatacommons.org/311915128> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/prov#Entity> .