About: http://webisa.webdatacommons.org/286159278

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	every month, except for July, August and December.
http://www.w3.org/ns/prov#wasQuotedFrom	washingtontwphistoricalsociety.org