About: http://webisa.webdatacommons.org/61052441

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	This item is an 1887 shipping agent's calendar or schedule which was posted in the shipping agent offices to advertise the dates of departure of the American Line United States Mail Steamers.
http://www.w3.org/ns/prov#wasQuotedFrom	trocadero.com