About: http://webisa.webdatacommons.org/252528233

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	Thus, these canaries began to distinguish themselves by the 50 year mark of the 19th century, and some breeders became especially preoccupied in the development of said quality.
http://www.w3.org/ns/prov#wasQuotedFrom	abirdinthehand.info