About: http://webisa.webdatacommons.org/421122687

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	One dates from 1870 (as you state is the earliest reference), one is a poem about larrikins, and the other is an iterview with a self-styled larrikin from 1887,
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com