About: http://webisa.webdatacommons.org/41966758

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	set of volumes which have been reproduced on 4 CDs, including one with all the maps.
http://www.w3.org/ns/prov#wasQuotedFrom	civilwarmall.com